20559340

素因数分解:

$2^2\times 5^1\times {\mathrm{367}}^1\times {\mathrm{2801}}^1$

素因数の和:3177

約数の個数: 24

約数和(自身を含む): 43307712

約数和(自身を除く): 22748372

約数列:

[1, 2, 4, 5, 10, 20, 367, 734, 1468, 1835, 2801, 3670, 5602, 7340, 11204, 14005, 28010, 56020, 1027967, 2055934, 4111868, 5139835, 10279670, 20559340]

約数ペア:

[(1, 20559340), (2, 10279670), (4, 5139835), (5, 4111868), (10, 2055934), (20, 1027967), (367, 56020), (734, 28010), (1468, 14005), (1835, 11204), (2801, 7340), (3670, 5602)]