201907820

素因数分解:

$2^2\times 5^1\times {\mathrm{2851}}^1\times {\mathrm{3541}}^1$

素因数の和:6401

約数の個数: 24

約数和(自身を含む): 424274928

約数和(自身を除く): 222367108

約数列:

[1, 2, 4, 5, 10, 20, 2851, 3541, 5702, 7082, 11404, 14164, 14255, 17705, 28510, 35410, 57020, 70820, 10095391, 20190782, 40381564, 50476955, 100953910, 201907820]

約数ペア:

[(1, 201907820), (2, 100953910), (4, 50476955), (5, 40381564), (10, 20190782), (20, 10095391), (2851, 70820), (3541, 57020), (5702, 35410), (7082, 28510), (11404, 17705), (14164, 14255)]