20194295620

素因数分解:

$2^2\times 5^1\times {\mathrm{1009714781}}^1$

素因数の和:1009714790

約数の個数: 12

約数和(自身を含む): 42408020844

約数和(自身を除く): 22213725224

約数列:

[1, 2, 4, 5, 10, 20, 1009714781, 2019429562, 4038859124, 5048573905, 10097147810, 20194295620]

約数ペア:

[(1, 20194295620), (2, 10097147810), (4, 5048573905), (5, 4038859124), (10, 2019429562), (20, 1009714781)]