20129501784

素因数分解:

$2^3\times 3^1\times 7^1\times {\mathrm{47}}^1\times {\mathrm{997}}^1\times {\mathrm{2557}}^1$

素因数の和:3617

約数の個数: 128

約数和(自身を含む): 58818447360

約数和(自身を除く): 38688945576

約数列:

[1, 2, 3, 4, 6, 7, 8, 12, 14, 21, 24, 28, 42, 47, 56, 84, 94, 141, 168, 188, 282, 329, 376, 564, 658, 987, 997, 1128, 1316, 1974, 1994, 2557, 2632, 2991, 3948, 3988, 5114, 5982, 6979, 7671, 7896, 7976, 10228, 11964, 13958, 15342, 17899, 20456, 20937, 23928, 27916, 30684, 35798, 41874, 46859, 53697, 55832, 61368, 71596, 83748, 93718, 107394, 120179, 140577, 143192, 167496, 187436, 214788, 240358, 281154, 328013, 360537, 374872, 429576, 480716, 562308, 656026, 721074, 841253, 961432, 984039, 1124616, 1312052, 1442148, 1682506, 1968078, 2523759, 2549329, 2624104, 2884296, 3365012, 3936156, 5047518, 5098658, 6730024, 7647987, 7872312, 10095036, 10197316, 15295974, 17845303, 20190072, 20394632, 30591948, 35690606, 53535909, 61183896, 71381212, 107071818, 119818463, 142762424, 214143636, 239636926, 359455389, 428287272, 479273852, 718910778, 838729241, 958547704, 1437821556, 1677458482, 2516187723, 2875643112, 3354916964, 5032375446, 6709833928, 10064750892, 20129501784]

約数ペア:

[(1, 20129501784), (2, 10064750892), (3, 6709833928), (4, 5032375446), (6, 3354916964), (7, 2875643112), (8, 2516187723), (12, 1677458482), (14, 1437821556), (21, 958547704), (24, 838729241), (28, 718910778), (42, 479273852), (47, 428287272), (56, 359455389), (84, 239636926), (94, 214143636), (141, 142762424), (168, 119818463), (188, 107071818), (282, 71381212), (329, 61183896), (376, 53535909), (564, 35690606), (658, 30591948), (987, 20394632), (997, 20190072), (1128, 17845303), (1316, 15295974), (1974, 10197316), (1994, 10095036), (2557, 7872312), (2632, 7647987), (2991, 6730024), (3948, 5098658), (3988, 5047518), (5114, 3936156), (5982, 3365012), (6979, 2884296), (7671, 2624104), (7896, 2549329), (7976, 2523759), (10228, 1968078), (11964, 1682506), (13958, 1442148), (15342, 1312052), (17899, 1124616), (20456, 984039), (20937, 961432), (23928, 841253), (27916, 721074), (30684, 656026), (35798, 562308), (41874, 480716), (46859, 429576), (53697, 374872), (55832, 360537), (61368, 328013), (71596, 281154), (83748, 240358), (93718, 214788), (107394, 187436), (120179, 167496), (140577, 143192)]