20988484920

素因数分解:

$2^3\times 3^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{331}}^1\times {\mathrm{797}}^1$

素因数の和:1175

約数の個数: 384

約数和(自身を含む): 78113730240

約数和(自身を除く): 57125245320

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 13, 15, 17, 18, 20, 24, 26, 30, 34, 36, 39, 40, 45, 51, 52, 60, 65, 68, 72, 78, 85, 90, 102, 104, 117, 120, 130, 136, 153, 156, 170, 180, 195, 204, 221, 234, 255, 260, 306, 312, 331, 340, 360, 390, 408, 442, 468, 510, 520, 585, 612, 662, 663, 680, 765, 780, 797, 884, 936, 993, 1020, 1105, 1170, 1224, 1324, 1326, 1530, 1560, 1594, 1655, 1768, 1986, 1989, 2040, 2210, 2340, 2391, 2648, 2652, 2979, 3060, 3188, 3310, 3315, 3972, 3978, 3985, 4303, 4420, 4680, 4782, 4965, 5304, 5627, 5958, 6120, 6376, 6620, 6630, 7173, 7944, 7956, 7970, 8606, 8840, 9564, 9930, 9945, 10361, 11254, 11916, 11955, 12909, 13240, 13260, 13549, 14346, 14895, 15912, 15940, 16881, 17212, 19128, 19860, 19890, 20722, 21515, 22508, 23832, 23910, 25818, 26520, 27098, 28135, 28692, 29790, 31083, 31880, 33762, 34424, 35865, 38727, 39720, 39780, 40647, 41444, 43030, 45016, 47820, 50643, 51636, 51805, 54196, 56270, 57384, 59580, 62166, 64545, 67524, 67745, 71730, 73151, 77454, 79560, 81294, 82888, 84405, 86060, 93249, 95640, 101286, 103272, 103610, 108392, 112540, 119160, 121941, 124332, 129090, 135048, 135490, 143460, 146302, 154908, 155415, 162588, 168810, 172120, 176137, 186498, 193635, 202572, 203235, 207220, 219453, 225080, 243882, 248664, 253215, 258180, 263807, 270980, 286920, 292604, 309816, 310830, 325176, 337620, 352274, 365755, 372996, 387270, 405144, 406470, 414440, 438906, 466245, 487764, 506430, 516360, 527614, 528411, 541960, 585208, 609705, 621660, 658359, 675240, 704548, 731510, 745992, 774540, 791421, 812940, 877812, 880685, 932490, 975528, 1012860, 1055228, 1056822, 1097265, 1219410, 1243320, 1316718, 1319035, 1409096, 1463020, 1549080, 1582842, 1585233, 1625880, 1755624, 1761370, 1864980, 2025720, 2110456, 2113644, 2194530, 2374263, 2438820, 2633436, 2638070, 2642055, 2926040, 3165684, 3170466, 3291795, 3429491, 3522740, 3729960, 3957105, 4227288, 4389060, 4484719, 4748526, 4877640, 5266872, 5276140, 5284110, 6331368, 6340932, 6583590, 6858982, 7045480, 7914210, 7926165, 8778120, 8969438, 9497052, 10288473, 10552280, 10568220, 11871315, 12681864, 13167180, 13454157, 13717964, 15828420, 15852330, 17147455, 17938876, 18994104, 20576946, 21136440, 22423595, 23742630, 26334360, 26908314, 27435928, 30865419, 31656840, 31704660, 34294910, 35877752, 40362471, 41153892, 44847190, 47485260, 51442365, 53816628, 58301347, 61730838, 63409320, 67270785, 68589820, 80724942, 82307784, 89694380, 94970520, 102884730, 107633256, 116602694, 123461676, 134541570, 137179640, 154327095, 161449884, 174904041, 179388760, 201812355, 205769460, 233205388, 246923352, 269083140, 291506735, 308654190, 322899768, 349808082, 403624710, 411538920, 466410776, 524712123, 538166280, 583013470, 617308380, 699616164, 807249420, 874520205, 1049424246, 1166026940, 1234616760, 1399232328, 1614498840, 1749040410, 2098848492, 2332053880, 2623560615, 3498080820, 4197696984, 5247121230, 6996161640, 10494242460, 20988484920]

約数ペア:

[(1, 20988484920), (2, 10494242460), (3, 6996161640), (4, 5247121230), (5, 4197696984), (6, 3498080820), (8, 2623560615), (9, 2332053880), (10, 2098848492), (12, 1749040410), (13, 1614498840), (15, 1399232328), (17, 1234616760), (18, 1166026940), (20, 1049424246), (24, 874520205), (26, 807249420), (30, 699616164), (34, 617308380), (36, 583013470), (39, 538166280), (40, 524712123), (45, 466410776), (51, 411538920), (52, 403624710), (60, 349808082), (65, 322899768), (68, 308654190), (72, 291506735), (78, 269083140), (85, 246923352), (90, 233205388), (102, 205769460), (104, 201812355), (117, 179388760), (120, 174904041), (130, 161449884), (136, 154327095), (153, 137179640), (156, 134541570), (170, 123461676), (180, 116602694), (195, 107633256), (204, 102884730), (221, 94970520), (234, 89694380), (255, 82307784), (260, 80724942), (306, 68589820), (312, 67270785), (331, 63409320), (340, 61730838), (360, 58301347), (390, 53816628), (408, 51442365), (442, 47485260), (468, 44847190), (510, 41153892), (520, 40362471), (585, 35877752), (612, 34294910), (662, 31704660), (663, 31656840), (680, 30865419), (765, 27435928), (780, 26908314), (797, 26334360), (884, 23742630), (936, 22423595), (993, 21136440), (1020, 20576946), (1105, 18994104), (1170, 17938876), (1224, 17147455), (1324, 15852330), (1326, 15828420), (1530, 13717964), (1560, 13454157), (1594, 13167180), (1655, 12681864), (1768, 11871315), (1986, 10568220), (1989, 10552280), (2040, 10288473), (2210, 9497052), (2340, 8969438), (2391, 8778120), (2648, 7926165), (2652, 7914210), (2979, 7045480), (3060, 6858982), (3188, 6583590), (3310, 6340932), (3315, 6331368), (3972, 5284110), (3978, 5276140), (3985, 5266872), (4303, 4877640), (4420, 4748526), (4680, 4484719), (4782, 4389060), (4965, 4227288), (5304, 3957105), (5627, 3729960), (5958, 3522740), (6120, 3429491), (6376, 3291795), (6620, 3170466), (6630, 3165684), (7173, 2926040), (7944, 2642055), (7956, 2638070), (7970, 2633436), (8606, 2438820), (8840, 2374263), (9564, 2194530), (9930, 2113644), (9945, 2110456), (10361, 2025720), (11254, 1864980), (11916, 1761370), (11955, 1755624), (12909, 1625880), (13240, 1585233), (13260, 1582842), (13549, 1549080), (14346, 1463020), (14895, 1409096), (15912, 1319035), (15940, 1316718), (16881, 1243320), (17212, 1219410), (19128, 1097265), (19860, 1056822), (19890, 1055228), (20722, 1012860), (21515, 975528), (22508, 932490), (23832, 880685), (23910, 877812), (25818, 812940), (26520, 791421), (27098, 774540), (28135, 745992), (28692, 731510), (29790, 704548), (31083, 675240), (31880, 658359), (33762, 621660), (34424, 609705), (35865, 585208), (38727, 541960), (39720, 528411), (39780, 527614), (40647, 516360), (41444, 506430), (43030, 487764), (45016, 466245), (47820, 438906), (50643, 414440), (51636, 406470), (51805, 405144), (54196, 387270), (56270, 372996), (57384, 365755), (59580, 352274), (62166, 337620), (64545, 325176), (67524, 310830), (67745, 309816), (71730, 292604), (73151, 286920), (77454, 270980), (79560, 263807), (81294, 258180), (82888, 253215), (84405, 248664), (86060, 243882), (93249, 225080), (95640, 219453), (101286, 207220), (103272, 203235), (103610, 202572), (108392, 193635), (112540, 186498), (119160, 176137), (121941, 172120), (124332, 168810), (129090, 162588), (135048, 155415), (135490, 154908), (143460, 146302)]