20452550

素因数分解:

$2^1\times 5^2\times {\mathrm{19}}^1\times {\mathrm{21529}}^1$

素因数の和:21560

約数の個数: 24

約数和(自身を含む): 40045800

約数和(自身を除く): 19593250

約数列:

[1, 2, 5, 10, 19, 25, 38, 50, 95, 190, 475, 950, 21529, 43058, 107645, 215290, 409051, 538225, 818102, 1076450, 2045255, 4090510, 10226275, 20452550]

約数ペア:

[(1, 20452550), (2, 10226275), (5, 4090510), (10, 2045255), (19, 1076450), (25, 818102), (38, 538225), (50, 409051), (95, 215290), (190, 107645), (475, 43058), (950, 21529)]