20082940

素因数分解:

$2^2\times 5^1\times {\mathrm{103}}^1\times {\mathrm{9749}}^1$

素因数の和:9861

約数の個数: 24

約数和(自身を含む): 42588000

約数和(自身を除く): 22505060

約数列:

[1, 2, 4, 5, 10, 20, 103, 206, 412, 515, 1030, 2060, 9749, 19498, 38996, 48745, 97490, 194980, 1004147, 2008294, 4016588, 5020735, 10041470, 20082940]

約数ペア:

[(1, 20082940), (2, 10041470), (4, 5020735), (5, 4016588), (10, 2008294), (20, 1004147), (103, 194980), (206, 97490), (412, 48745), (515, 38996), (1030, 19498), (2060, 9749)]