20651335

素因数分解:

$5^1\times {\mathrm{29}}^1\times {\mathrm{73}}^1\times {\mathrm{1951}}^1$

素因数の和:2058

約数の個数: 16

約数和(自身を含む): 26000640

約数和(自身を除く): 5349305

約数列:

[1, 5, 29, 73, 145, 365, 1951, 2117, 9755, 10585, 56579, 142423, 282895, 712115, 4130267, 20651335]

約数ペア:

[(1, 20651335), (5, 4130267), (29, 712115), (73, 282895), (145, 142423), (365, 56579), (1951, 10585), (2117, 9755)]