20158774432

素因数分解:

$2^5\times {\mathrm{19}}^1\times {\mathrm{61}}^1\times {\mathrm{543539}}^1$

素因数の和:543629

約数の個数: 48

約数和(自身を含む): 42461344800

約数和(自身を除く): 22302570368

約数列:

[1, 2, 4, 8, 16, 19, 32, 38, 61, 76, 122, 152, 244, 304, 488, 608, 976, 1159, 1952, 2318, 4636, 9272, 18544, 37088, 543539, 1087078, 2174156, 4348312, 8696624, 10327241, 17393248, 20654482, 33155879, 41308964, 66311758, 82617928, 132623516, 165235856, 265247032, 330471712, 530494064, 629961701, 1060988128, 1259923402, 2519846804, 5039693608, 10079387216, 20158774432]

約数ペア:

[(1, 20158774432), (2, 10079387216), (4, 5039693608), (8, 2519846804), (16, 1259923402), (19, 1060988128), (32, 629961701), (38, 530494064), (61, 330471712), (76, 265247032), (122, 165235856), (152, 132623516), (244, 82617928), (304, 66311758), (488, 41308964), (608, 33155879), (976, 20654482), (1159, 17393248), (1952, 10327241), (2318, 8696624), (4636, 4348312), (9272, 2174156), (18544, 1087078), (37088, 543539)]