20102350

素因数分解:

$2^1\times 5^2\times {\mathrm{409}}^1\times {\mathrm{983}}^1$

素因数の和:1404

約数の個数: 24

約数和(自身を含む): 37519920

約数和(自身を除く): 17417570

約数列:

[1, 2, 5, 10, 25, 50, 409, 818, 983, 1966, 2045, 4090, 4915, 9830, 10225, 20450, 24575, 49150, 402047, 804094, 2010235, 4020470, 10051175, 20102350]

約数ペア:

[(1, 20102350), (2, 10051175), (5, 4020470), (10, 2010235), (25, 804094), (50, 402047), (409, 49150), (818, 24575), (983, 20450), (1966, 10225), (2045, 9830), (4090, 4915)]