20565570808

素因数分解:

$2^3\times {\mathrm{41}}^1\times {\mathrm{103}}^1\times {\mathrm{608737}}^1$

素因数の和:608887

約数の個数: 32

約数和(自身を含む): 39884513760

約数和(自身を除く): 19318942952

約数列:

[1, 2, 4, 8, 41, 82, 103, 164, 206, 328, 412, 824, 4223, 8446, 16892, 33784, 608737, 1217474, 2434948, 4869896, 24958217, 49916434, 62699911, 99832868, 125399822, 199665736, 250799644, 501599288, 2570696351, 5141392702, 10282785404, 20565570808]

約数ペア:

[(1, 20565570808), (2, 10282785404), (4, 5141392702), (8, 2570696351), (41, 501599288), (82, 250799644), (103, 199665736), (164, 125399822), (206, 99832868), (328, 62699911), (412, 49916434), (824, 24958217), (4223, 4869896), (8446, 2434948), (16892, 1217474), (33784, 608737)]