20570902

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{421}}^1\times {\mathrm{2221}}^1$

素因数の和:2655

約数の個数: 16

約数和(自身を含む): 33756624

約数和(自身を除く): 13185722

約数列:

[1, 2, 11, 22, 421, 842, 2221, 4442, 4631, 9262, 24431, 48862, 935041, 1870082, 10285451, 20570902]

約数ペア:

[(1, 20570902), (2, 10285451), (11, 1870082), (22, 935041), (421, 48862), (842, 24431), (2221, 9262), (4442, 4631)]