20081469540

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{31}}^1\times {\mathrm{37}}^1\times {\mathrm{41}}^1\times {\mathrm{647}}^1$

素因数の和:779

約数の個数: 384

約数和(自身を含む): 66718826496

約数和(自身を除く): 46637356956

約数列:

[1, 2, 3, 4, 5, 6, 10, 11, 12, 15, 20, 22, 30, 31, 33, 37, 41, 44, 55, 60, 62, 66, 74, 82, 93, 110, 111, 123, 124, 132, 148, 155, 164, 165, 185, 186, 205, 220, 222, 246, 310, 330, 341, 370, 372, 407, 410, 444, 451, 465, 492, 555, 615, 620, 647, 660, 682, 740, 814, 820, 902, 930, 1023, 1110, 1147, 1221, 1230, 1271, 1294, 1353, 1364, 1517, 1628, 1705, 1804, 1860, 1941, 2035, 2046, 2220, 2255, 2294, 2442, 2460, 2542, 2588, 2706, 3034, 3235, 3410, 3441, 3813, 3882, 4070, 4092, 4510, 4551, 4588, 4884, 5084, 5115, 5412, 5735, 6068, 6105, 6355, 6470, 6765, 6820, 6882, 7117, 7585, 7626, 7764, 8140, 9020, 9102, 9705, 10230, 11470, 12210, 12617, 12710, 12940, 13530, 13764, 13981, 14234, 15170, 15252, 16687, 17205, 18204, 19065, 19410, 20057, 20460, 21351, 22755, 22940, 23939, 24420, 25234, 25420, 26527, 27060, 27962, 28468, 30340, 33374, 34410, 35585, 37851, 38130, 38820, 40114, 41943, 42702, 45510, 47027, 47878, 50061, 50468, 53054, 55924, 60171, 63085, 66748, 68820, 69905, 71170, 71817, 75702, 76260, 79581, 80228, 83435, 83886, 85404, 91020, 94054, 95756, 100122, 100285, 106108, 106755, 119695, 120342, 126170, 132635, 139810, 141081, 142340, 143634, 151404, 159162, 166870, 167772, 188108, 189255, 200244, 200570, 209715, 213510, 220627, 235135, 239390, 240684, 250305, 252340, 263329, 265270, 279620, 282162, 287268, 291797, 300855, 318324, 333740, 359085, 378510, 397905, 401140, 419430, 427020, 441254, 470270, 478780, 500610, 517297, 526658, 530540, 564324, 583594, 601710, 661881, 705405, 718170, 742109, 757020, 789987, 795810, 822337, 838860, 875391, 882508, 940540, 981499, 1001220, 1034594, 1053316, 1103135, 1167188, 1203420, 1316645, 1323762, 1410810, 1436340, 1458985, 1484218, 1551891, 1579974, 1591620, 1644674, 1750782, 1962998, 2069188, 2206270, 2226327, 2467011, 2586485, 2633290, 2647524, 2821620, 2917970, 2944497, 2968436, 3103782, 3159948, 3289348, 3309405, 3501564, 3710545, 3925996, 3949935, 4111685, 4376955, 4412540, 4452654, 4907495, 4934022, 5172970, 5266580, 5835940, 5888994, 6207564, 6618810, 7421090, 7759455, 7899870, 8163199, 8223370, 8753910, 8905308, 9045707, 9814990, 9868044, 10345940, 10796489, 11131635, 11777988, 12335055, 13237620, 14722485, 14842180, 15518910, 15799740, 16326398, 16446740, 17507820, 18091414, 19629980, 21592978, 22263270, 24489597, 24670110, 27137121, 29444970, 30426469, 31037820, 32389467, 32652796, 36182828, 40815995, 43185956, 44526540, 45228535, 48979194, 49340220, 53982445, 54274242, 58889940, 60852938, 64778934, 81631990, 90457070, 91279407, 97958388, 107964890, 108548484, 121705876, 122447985, 129557868, 135685605, 152132345, 161947335, 163263980, 180914140, 182558814, 215929780, 244895970, 271371210, 304264690, 323894670, 334691159, 365117628, 456397035, 489791940, 542742420, 608529380, 647789340, 669382318, 912794070, 1004073477, 1338764636, 1673455795, 1825588140, 2008146954, 3346911590, 4016293908, 5020367385, 6693823180, 10040734770, 20081469540]

約数ペア:

[(1, 20081469540), (2, 10040734770), (3, 6693823180), (4, 5020367385), (5, 4016293908), (6, 3346911590), (10, 2008146954), (11, 1825588140), (12, 1673455795), (15, 1338764636), (20, 1004073477), (22, 912794070), (30, 669382318), (31, 647789340), (33, 608529380), (37, 542742420), (41, 489791940), (44, 456397035), (55, 365117628), (60, 334691159), (62, 323894670), (66, 304264690), (74, 271371210), (82, 244895970), (93, 215929780), (110, 182558814), (111, 180914140), (123, 163263980), (124, 161947335), (132, 152132345), (148, 135685605), (155, 129557868), (164, 122447985), (165, 121705876), (185, 108548484), (186, 107964890), (205, 97958388), (220, 91279407), (222, 90457070), (246, 81631990), (310, 64778934), (330, 60852938), (341, 58889940), (370, 54274242), (372, 53982445), (407, 49340220), (410, 48979194), (444, 45228535), (451, 44526540), (465, 43185956), (492, 40815995), (555, 36182828), (615, 32652796), (620, 32389467), (647, 31037820), (660, 30426469), (682, 29444970), (740, 27137121), (814, 24670110), (820, 24489597), (902, 22263270), (930, 21592978), (1023, 19629980), (1110, 18091414), (1147, 17507820), (1221, 16446740), (1230, 16326398), (1271, 15799740), (1294, 15518910), (1353, 14842180), (1364, 14722485), (1517, 13237620), (1628, 12335055), (1705, 11777988), (1804, 11131635), (1860, 10796489), (1941, 10345940), (2035, 9868044), (2046, 9814990), (2220, 9045707), (2255, 8905308), (2294, 8753910), (2442, 8223370), (2460, 8163199), (2542, 7899870), (2588, 7759455), (2706, 7421090), (3034, 6618810), (3235, 6207564), (3410, 5888994), (3441, 5835940), (3813, 5266580), (3882, 5172970), (4070, 4934022), (4092, 4907495), (4510, 4452654), (4551, 4412540), (4588, 4376955), (4884, 4111685), (5084, 3949935), (5115, 3925996), (5412, 3710545), (5735, 3501564), (6068, 3309405), (6105, 3289348), (6355, 3159948), (6470, 3103782), (6765, 2968436), (6820, 2944497), (6882, 2917970), (7117, 2821620), (7585, 2647524), (7626, 2633290), (7764, 2586485), (8140, 2467011), (9020, 2226327), (9102, 2206270), (9705, 2069188), (10230, 1962998), (11470, 1750782), (12210, 1644674), (12617, 1591620), (12710, 1579974), (12940, 1551891), (13530, 1484218), (13764, 1458985), (13981, 1436340), (14234, 1410810), (15170, 1323762), (15252, 1316645), (16687, 1203420), (17205, 1167188), (18204, 1103135), (19065, 1053316), (19410, 1034594), (20057, 1001220), (20460, 981499), (21351, 940540), (22755, 882508), (22940, 875391), (23939, 838860), (24420, 822337), (25234, 795810), (25420, 789987), (26527, 757020), (27060, 742109), (27962, 718170), (28468, 705405), (30340, 661881), (33374, 601710), (34410, 583594), (35585, 564324), (37851, 530540), (38130, 526658), (38820, 517297), (40114, 500610), (41943, 478780), (42702, 470270), (45510, 441254), (47027, 427020), (47878, 419430), (50061, 401140), (50468, 397905), (53054, 378510), (55924, 359085), (60171, 333740), (63085, 318324), (66748, 300855), (68820, 291797), (69905, 287268), (71170, 282162), (71817, 279620), (75702, 265270), (76260, 263329), (79581, 252340), (80228, 250305), (83435, 240684), (83886, 239390), (85404, 235135), (91020, 220627), (94054, 213510), (95756, 209715), (100122, 200570), (100285, 200244), (106108, 189255), (106755, 188108), (119695, 167772), (120342, 166870), (126170, 159162), (132635, 151404), (139810, 143634), (141081, 142340)]