20111056457

素因数分解:

${\mathrm{17}}^1\times {\mathrm{23}}^1\times {\mathrm{157}}^1\times {\mathrm{197}}^1\times {\mathrm{1663}}^1$

素因数の和:2057

約数の個数: 32

約数和(自身を含む): 22488440832

約数和(自身を除く): 2377384375

約数列:

[1, 17, 23, 157, 197, 391, 1663, 2669, 3349, 3611, 4531, 28271, 30929, 38249, 61387, 77027, 261091, 327611, 525793, 650233, 711367, 4438547, 5569387, 6005093, 7535053, 12093239, 51434927, 102086581, 128095901, 874393759, 1183003321, 20111056457]

約数ペア:

[(1, 20111056457), (17, 1183003321), (23, 874393759), (157, 128095901), (197, 102086581), (391, 51434927), (1663, 12093239), (2669, 7535053), (3349, 6005093), (3611, 5569387), (4531, 4438547), (28271, 711367), (30929, 650233), (38249, 525793), (61387, 327611), (77027, 261091)]