20098855

素因数分解:

$5^1\times 7^1\times {\mathrm{151}}^1\times {\mathrm{3803}}^1$

素因数の和:3966

約数の個数: 16

約数和(自身を含む): 27753984

約数和(自身を除く): 7655129

約数列:

[1, 5, 7, 35, 151, 755, 1057, 3803, 5285, 19015, 26621, 133105, 574253, 2871265, 4019771, 20098855]

約数ペア:

[(1, 20098855), (5, 4019771), (7, 2871265), (35, 574253), (151, 133105), (755, 26621), (1057, 19015), (3803, 5285)]