20537020180

素因数分解:

$2^2\times 5^1\times {\mathrm{1026851009}}^1$

素因数の和:1026851018

約数の個数: 12

約数和(自身を含む): 43127742420

約数和(自身を除く): 22590722240

約数列:

[1, 2, 4, 5, 10, 20, 1026851009, 2053702018, 4107404036, 5134255045, 10268510090, 20537020180]

約数ペア:

[(1, 20537020180), (2, 10268510090), (4, 5134255045), (5, 4107404036), (10, 2053702018), (20, 1026851009)]