20107240

素因数分解:

$2^3\times 5^1\times {\mathrm{709}}^2$

素因数の和:1429

約数の個数: 24

約数和(自身を含む): 45305190

約数和(自身を除く): 25197950

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 709, 1418, 2836, 3545, 5672, 7090, 14180, 28360, 502681, 1005362, 2010724, 2513405, 4021448, 5026810, 10053620, 20107240]

約数ペア:

[(1, 20107240), (2, 10053620), (4, 5026810), (5, 4021448), (8, 2513405), (10, 2010724), (20, 1005362), (40, 502681), (709, 28360), (1418, 14180), (2836, 7090), (3545, 5672)]