20258264

素因数分解:

$2^3\times {\mathrm{13}}^1\times {\mathrm{41}}^1\times {\mathrm{4751}}^1$

素因数の和:4811

約数の個数: 32

約数和(自身を含む): 41912640

約数和(自身を除く): 21654376

約数列:

[1, 2, 4, 8, 13, 26, 41, 52, 82, 104, 164, 328, 533, 1066, 2132, 4264, 4751, 9502, 19004, 38008, 61763, 123526, 194791, 247052, 389582, 494104, 779164, 1558328, 2532283, 5064566, 10129132, 20258264]

約数ペア:

[(1, 20258264), (2, 10129132), (4, 5064566), (8, 2532283), (13, 1558328), (26, 779164), (41, 494104), (52, 389582), (82, 247052), (104, 194791), (164, 123526), (328, 61763), (533, 38008), (1066, 19004), (2132, 9502), (4264, 4751)]