20009355905

素因数分解:

$5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{2735387}}^1$

素因数の和:2735429

約数の個数: 32

約数和(自身を含む): 31511669760

約数和(自身を除く): 11502313855

約数列:

[1, 5, 7, 11, 19, 35, 55, 77, 95, 133, 209, 385, 665, 1045, 1463, 7315, 2735387, 13676935, 19147709, 30089257, 51972353, 95738545, 150446285, 210624799, 259861765, 363806471, 571695883, 1053123995, 1819032355, 2858479415, 4001871181, 20009355905]

約数ペア:

[(1, 20009355905), (5, 4001871181), (7, 2858479415), (11, 1819032355), (19, 1053123995), (35, 571695883), (55, 363806471), (77, 259861765), (95, 210624799), (133, 150446285), (209, 95738545), (385, 51972353), (665, 30089257), (1045, 19147709), (1463, 13676935), (7315, 2735387)]