20189545894

素因数分解:

$2^1\times 7^1\times {\mathrm{31}}^1\times {\mathrm{101}}^1\times {\mathrm{311}}^1\times {\mathrm{1481}}^1$

素因数の和:1933

約数の個数: 64

約数和(自身を含む): 36221313024

約数和(自身を除く): 16031767130

約数列:

[1, 2, 7, 14, 31, 62, 101, 202, 217, 311, 434, 622, 707, 1414, 1481, 2177, 2962, 3131, 4354, 6262, 9641, 10367, 19282, 20734, 21917, 31411, 43834, 45911, 62822, 67487, 91822, 134974, 149581, 219877, 299162, 321377, 439754, 460591, 642754, 921182, 973741, 1047067, 1947482, 2094134, 3224137, 4637011, 6448274, 6816187, 9274022, 13632374, 14278321, 28556642, 32459077, 46519691, 64918154, 93039382, 99948247, 199896494, 325637837, 651275674, 1442110421, 2884220842, 10094772947, 20189545894]

約数ペア:

[(1, 20189545894), (2, 10094772947), (7, 2884220842), (14, 1442110421), (31, 651275674), (62, 325637837), (101, 199896494), (202, 99948247), (217, 93039382), (311, 64918154), (434, 46519691), (622, 32459077), (707, 28556642), (1414, 14278321), (1481, 13632374), (2177, 9274022), (2962, 6816187), (3131, 6448274), (4354, 4637011), (6262, 3224137), (9641, 2094134), (10367, 1947482), (19282, 1047067), (20734, 973741), (21917, 921182), (31411, 642754), (43834, 460591), (45911, 439754), (62822, 321377), (67487, 299162), (91822, 219877), (134974, 149581)]