20525799

素因数分解:

$3^1\times 7^1\times {\mathrm{631}}^1\times {\mathrm{1549}}^1$

素因数の和:2190

約数の個数: 16

約数和(自身を含む): 31347200

約数和(自身を除く): 10821401

約数列:

[1, 3, 7, 21, 631, 1549, 1893, 4417, 4647, 10843, 13251, 32529, 977419, 2932257, 6841933, 20525799]

約数ペア:

[(1, 20525799), (3, 6841933), (7, 2932257), (21, 977419), (631, 32529), (1549, 13251), (1893, 10843), (4417, 4647)]