20157134620

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{143979533}}^1$

素因数の和:143979549

約数の個数: 24

約数和(自身を含む): 48377123424

約数和(自身を除く): 28219988804

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 143979533, 287959066, 575918132, 719897665, 1007856731, 1439795330, 2015713462, 2879590660, 4031426924, 5039283655, 10078567310, 20157134620]

約数ペア:

[(1, 20157134620), (2, 10078567310), (4, 5039283655), (5, 4031426924), (7, 2879590660), (10, 2015713462), (14, 1439795330), (20, 1007856731), (28, 719897665), (35, 575918132), (70, 287959066), (140, 143979533)]