2020495825

素因数分解:

$5^2\times {\mathrm{43}}^1\times {\mathrm{73}}^1\times {\mathrm{25747}}^1$

素因数の和:25873

約数の個数: 24

約数和(自身を含む): 2598900128

約数和(自身を除く): 578404303

約数列:

[1, 5, 25, 43, 73, 215, 365, 1075, 1825, 3139, 15695, 25747, 78475, 128735, 643675, 1107121, 1879531, 5535605, 9397655, 27678025, 46988275, 80819833, 404099165, 2020495825]

約数ペア:

[(1, 2020495825), (5, 404099165), (25, 80819833), (43, 46988275), (73, 27678025), (215, 9397655), (365, 5535605), (1075, 1879531), (1825, 1107121), (3139, 643675), (15695, 128735), (25747, 78475)]