20843140

素因数分解:

$2^2\times 5^1\times {\mathrm{227}}^1\times {\mathrm{4591}}^1$

素因数の和:4827

約数の個数: 24

約数和(自身を含む): 43972992

約数和(自身を除く): 23129852

約数列:

[1, 2, 4, 5, 10, 20, 227, 454, 908, 1135, 2270, 4540, 4591, 9182, 18364, 22955, 45910, 91820, 1042157, 2084314, 4168628, 5210785, 10421570, 20843140]

約数ペア:

[(1, 20843140), (2, 10421570), (4, 5210785), (5, 4168628), (10, 2084314), (20, 1042157), (227, 91820), (454, 45910), (908, 22955), (1135, 18364), (2270, 9182), (4540, 4591)]