20199828780

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{29}}^1\times {\mathrm{31}}^1\times {\mathrm{43}}^1\times {\mathrm{2903}}^1$

素因数の和:3021

約数の個数: 288

約数和(自身を含む): 66975068160

約数和(自身を除く): 46775239380

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 29, 30, 31, 36, 43, 45, 58, 60, 62, 86, 87, 90, 93, 116, 124, 129, 145, 155, 172, 174, 180, 186, 215, 258, 261, 279, 290, 310, 348, 372, 387, 430, 435, 465, 516, 522, 558, 580, 620, 645, 774, 860, 870, 899, 930, 1044, 1116, 1247, 1290, 1305, 1333, 1395, 1548, 1740, 1798, 1860, 1935, 2494, 2580, 2610, 2666, 2697, 2790, 2903, 3596, 3741, 3870, 3999, 4495, 4988, 5220, 5332, 5394, 5580, 5806, 6235, 6665, 7482, 7740, 7998, 8091, 8709, 8990, 10788, 11223, 11612, 11997, 12470, 13330, 13485, 14515, 14964, 15996, 16182, 17418, 17980, 18705, 19995, 22446, 23994, 24940, 26127, 26660, 26970, 29030, 32364, 34836, 37410, 38657, 39990, 40455, 43545, 44892, 47988, 52254, 53940, 56115, 58060, 59985, 74820, 77314, 79980, 80910, 84187, 87090, 89993, 104508, 112230, 115971, 119970, 124829, 130635, 154628, 161820, 168374, 174180, 179986, 193285, 224460, 231942, 239940, 249658, 252561, 261270, 269979, 336748, 347913, 359972, 374487, 386570, 420935, 449965, 463884, 499316, 505122, 522540, 539958, 579855, 624145, 695826, 748974, 757683, 773140, 809937, 841870, 899930, 1010244, 1079916, 1123461, 1159710, 1248290, 1262805, 1349895, 1391652, 1497948, 1515366, 1619874, 1683740, 1739565, 1799860, 1872435, 2246922, 2319420, 2496580, 2525610, 2609797, 2699790, 3030732, 3239748, 3479130, 3620041, 3744870, 3788415, 3869699, 4049685, 4493844, 5051220, 5219594, 5399580, 5617305, 6958260, 7240082, 7489740, 7576830, 7739398, 7829391, 8099370, 10439188, 10860123, 11234610, 11609097, 13048985, 14480164, 15153660, 15478796, 15658782, 16198740, 18100205, 19348495, 21720246, 22469220, 23218194, 23488173, 26097970, 31317564, 32580369, 34827291, 36200410, 38696990, 39146955, 43440492, 46436388, 46976346, 52195940, 54300615, 58045485, 65160738, 69654582, 72400820, 77393980, 78293910, 93952692, 108601230, 112221271, 116090970, 117440865, 130321476, 139309164, 156587820, 162901845, 174136455, 217202460, 224442542, 232181940, 234881730, 325803690, 336663813, 348272910, 448885084, 469763460, 561106355, 651607380, 673327626, 696545820, 1009991439, 1122212710, 1346655252, 1683319065, 2019982878, 2244425420, 3366638130, 4039965756, 5049957195, 6733276260, 10099914390, 20199828780]

約数ペア:

[(1, 20199828780), (2, 10099914390), (3, 6733276260), (4, 5049957195), (5, 4039965756), (6, 3366638130), (9, 2244425420), (10, 2019982878), (12, 1683319065), (15, 1346655252), (18, 1122212710), (20, 1009991439), (29, 696545820), (30, 673327626), (31, 651607380), (36, 561106355), (43, 469763460), (45, 448885084), (58, 348272910), (60, 336663813), (62, 325803690), (86, 234881730), (87, 232181940), (90, 224442542), (93, 217202460), (116, 174136455), (124, 162901845), (129, 156587820), (145, 139309164), (155, 130321476), (172, 117440865), (174, 116090970), (180, 112221271), (186, 108601230), (215, 93952692), (258, 78293910), (261, 77393980), (279, 72400820), (290, 69654582), (310, 65160738), (348, 58045485), (372, 54300615), (387, 52195940), (430, 46976346), (435, 46436388), (465, 43440492), (516, 39146955), (522, 38696990), (558, 36200410), (580, 34827291), (620, 32580369), (645, 31317564), (774, 26097970), (860, 23488173), (870, 23218194), (899, 22469220), (930, 21720246), (1044, 19348495), (1116, 18100205), (1247, 16198740), (1290, 15658782), (1305, 15478796), (1333, 15153660), (1395, 14480164), (1548, 13048985), (1740, 11609097), (1798, 11234610), (1860, 10860123), (1935, 10439188), (2494, 8099370), (2580, 7829391), (2610, 7739398), (2666, 7576830), (2697, 7489740), (2790, 7240082), (2903, 6958260), (3596, 5617305), (3741, 5399580), (3870, 5219594), (3999, 5051220), (4495, 4493844), (4988, 4049685), (5220, 3869699), (5332, 3788415), (5394, 3744870), (5580, 3620041), (5806, 3479130), (6235, 3239748), (6665, 3030732), (7482, 2699790), (7740, 2609797), (7998, 2525610), (8091, 2496580), (8709, 2319420), (8990, 2246922), (10788, 1872435), (11223, 1799860), (11612, 1739565), (11997, 1683740), (12470, 1619874), (13330, 1515366), (13485, 1497948), (14515, 1391652), (14964, 1349895), (15996, 1262805), (16182, 1248290), (17418, 1159710), (17980, 1123461), (18705, 1079916), (19995, 1010244), (22446, 899930), (23994, 841870), (24940, 809937), (26127, 773140), (26660, 757683), (26970, 748974), (29030, 695826), (32364, 624145), (34836, 579855), (37410, 539958), (38657, 522540), (39990, 505122), (40455, 499316), (43545, 463884), (44892, 449965), (47988, 420935), (52254, 386570), (53940, 374487), (56115, 359972), (58060, 347913), (59985, 336748), (74820, 269979), (77314, 261270), (79980, 252561), (80910, 249658), (84187, 239940), (87090, 231942), (89993, 224460), (104508, 193285), (112230, 179986), (115971, 174180), (119970, 168374), (124829, 161820), (130635, 154628)]