20720262

素因数分解:

$2^1\times 3^1\times {\mathrm{677}}^1\times {\mathrm{5101}}^1$

素因数の和:5783

約数の個数: 16

約数和(自身を含む): 41509872

約数和(自身を除く): 20789610

約数列:

[1, 2, 3, 6, 677, 1354, 2031, 4062, 5101, 10202, 15303, 30606, 3453377, 6906754, 10360131, 20720262]

約数ペア:

[(1, 20720262), (2, 10360131), (3, 6906754), (6, 3453377), (677, 30606), (1354, 15303), (2031, 10202), (4062, 5101)]