20072591

素因数分解:

$7^1\times {\mathrm{11}}^1\times {\mathrm{73}}^1\times {\mathrm{3571}}^1$

素因数の和:3662

約数の個数: 16

約数和(自身を含む): 25375488

約数和(自身を除く): 5302897

約数列:

[1, 7, 11, 73, 77, 511, 803, 3571, 5621, 24997, 39281, 260683, 274967, 1824781, 2867513, 20072591]

約数ペア:

[(1, 20072591), (7, 2867513), (11, 1824781), (73, 274967), (77, 260683), (511, 39281), (803, 24997), (3571, 5621)]