20416495

素因数分解:

$5^1\times {\mathrm{11}}^1\times {\mathrm{229}}^1\times {\mathrm{1621}}^1$

素因数の和:1866

約数の個数: 16

約数和(自身を含む): 26860320

約数和(自身を除く): 6443825

約数列:

[1, 5, 11, 55, 229, 1145, 1621, 2519, 8105, 12595, 17831, 89155, 371209, 1856045, 4083299, 20416495]

約数ペア:

[(1, 20416495), (5, 4083299), (11, 1856045), (55, 371209), (229, 89155), (1145, 17831), (1621, 12595), (2519, 8105)]