20443525

素因数分解:

$5^2\times {\mathrm{19}}^1\times {\mathrm{193}}^1\times {\mathrm{223}}^1$

素因数の和:445

約数の個数: 24

約数和(自身を含む): 26942720

約数和(自身を除く): 6499195

約数列:

[1, 5, 19, 25, 95, 193, 223, 475, 965, 1115, 3667, 4237, 4825, 5575, 18335, 21185, 43039, 91675, 105925, 215195, 817741, 1075975, 4088705, 20443525]

約数ペア:

[(1, 20443525), (5, 4088705), (19, 1075975), (25, 817741), (95, 215195), (193, 105925), (223, 91675), (475, 43039), (965, 21185), (1115, 18335), (3667, 5575), (4237, 4825)]