20152686820

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{143947763}}^1$

素因数の和:143947779

約数の個数: 24

約数和(自身を含む): 48366448704

約数和(自身を除く): 28213761884

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 143947763, 287895526, 575791052, 719738815, 1007634341, 1439477630, 2015268682, 2878955260, 4030537364, 5038171705, 10076343410, 20152686820]

約数ペア:

[(1, 20152686820), (2, 10076343410), (4, 5038171705), (5, 4030537364), (7, 2878955260), (10, 2015268682), (14, 1439477630), (20, 1007634341), (28, 719738815), (35, 575791052), (70, 287895526), (140, 143947763)]