20691522

素因数分解:

$2^1\times 3^2\times {\mathrm{79}}^1\times {\mathrm{14551}}^1$

素因数の和:14638

約数の個数: 24

約数和(自身を含む): 45402240

約数和(自身を除く): 24710718

約数列:

[1, 2, 3, 6, 9, 18, 79, 158, 237, 474, 711, 1422, 14551, 29102, 43653, 87306, 130959, 261918, 1149529, 2299058, 3448587, 6897174, 10345761, 20691522]

約数ペア:

[(1, 20691522), (2, 10345761), (3, 6897174), (6, 3448587), (9, 2299058), (18, 1149529), (79, 261918), (158, 130959), (237, 87306), (474, 43653), (711, 29102), (1422, 14551)]