20697721

素因数分解:

${\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{151}}^1\times {\mathrm{733}}^1$

素因数の和:912

約数の個数: 16

約数和(自身を含む): 24098688

約数和(自身を除く): 3400967

約数列:

[1, 11, 17, 151, 187, 733, 1661, 2567, 8063, 12461, 28237, 110683, 137071, 1217513, 1881611, 20697721]

約数ペア:

[(1, 20697721), (11, 1881611), (17, 1217513), (151, 137071), (187, 110683), (733, 28237), (1661, 12461), (2567, 8063)]