20846020

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{80177}}^1$

素因数の和:80199

約数の個数: 24

約数和(自身を含む): 47144664

約数和(自身を除く): 26298644

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 130, 260, 80177, 160354, 320708, 400885, 801770, 1042301, 1603540, 2084602, 4169204, 5211505, 10423010, 20846020]

約数ペア:

[(1, 20846020), (2, 10423010), (4, 5211505), (5, 4169204), (10, 2084602), (13, 1603540), (20, 1042301), (26, 801770), (52, 400885), (65, 320708), (130, 160354), (260, 80177)]