20625595

素因数分解:

$5^1\times {\mathrm{23}}^1\times {\mathrm{43}}^2\times {\mathrm{97}}^1$

素因数の和:211

約数の個数: 24

約数和(自身を含む): 26714016

約数和(自身を除く): 6088421

約数列:

[1, 5, 23, 43, 97, 115, 215, 485, 989, 1849, 2231, 4171, 4945, 9245, 11155, 20855, 42527, 95933, 179353, 212635, 479665, 896765, 4125119, 20625595]

約数ペア:

[(1, 20625595), (5, 4125119), (23, 896765), (43, 479665), (97, 212635), (115, 179353), (215, 95933), (485, 42527), (989, 20855), (1849, 11155), (2231, 9245), (4171, 4945)]