20512456930

素因数分解:

$2^1\times 5^1\times 7^2\times {\mathrm{41862157}}^1$

素因数の和:41862178

約数の個数: 24

約数和(自身を含む): 42950574108

約数和(自身を除く): 22438117178

約数列:

[1, 2, 5, 7, 10, 14, 35, 49, 70, 98, 245, 490, 41862157, 83724314, 209310785, 293035099, 418621570, 586070198, 1465175495, 2051245693, 2930350990, 4102491386, 10256228465, 20512456930]

約数ペア:

[(1, 20512456930), (2, 10256228465), (5, 4102491386), (7, 2930350990), (10, 2051245693), (14, 1465175495), (35, 586070198), (49, 418621570), (70, 293035099), (98, 209310785), (245, 83724314), (490, 41862157)]