20196087980

素因数分解:

$2^2\times 5^1\times {\mathrm{677}}^1\times {\mathrm{1491587}}^1$

素因数の和:1492273

約数の個数: 24

約数和(自身を含む): 42474459888

約数和(自身を除く): 22278371908

約数列:

[1, 2, 4, 5, 10, 20, 677, 1354, 2708, 3385, 6770, 13540, 1491587, 2983174, 5966348, 7457935, 14915870, 29831740, 1009804399, 2019608798, 4039217596, 5049021995, 10098043990, 20196087980]

約数ペア:

[(1, 20196087980), (2, 10098043990), (4, 5049021995), (5, 4039217596), (10, 2019608798), (20, 1009804399), (677, 29831740), (1354, 14915870), (2708, 7457935), (3385, 5966348), (6770, 2983174), (13540, 1491587)]