20535752

素因数分解:

$2^3\times {\mathrm{41}}^1\times {\mathrm{137}}^1\times {\mathrm{457}}^1$

素因数の和:641

約数の個数: 32

約数和(自身を含む): 39818520

約数和(自身を除く): 19282768

約数列:

[1, 2, 4, 8, 41, 82, 137, 164, 274, 328, 457, 548, 914, 1096, 1828, 3656, 5617, 11234, 18737, 22468, 37474, 44936, 62609, 74948, 125218, 149896, 250436, 500872, 2566969, 5133938, 10267876, 20535752]

約数ペア:

[(1, 20535752), (2, 10267876), (4, 5133938), (8, 2566969), (41, 500872), (82, 250436), (137, 149896), (164, 125218), (274, 74948), (328, 62609), (457, 44936), (548, 37474), (914, 22468), (1096, 18737), (1828, 11234), (3656, 5617)]