20188820

素因数分解:

$2^2\times 5^1\times {\mathrm{607}}^1\times {\mathrm{1663}}^1$

素因数の和:2279

約数の個数: 24

約数和(自身を含む): 42491904

約数和(自身を除く): 22303084

約数列:

[1, 2, 4, 5, 10, 20, 607, 1214, 1663, 2428, 3035, 3326, 6070, 6652, 8315, 12140, 16630, 33260, 1009441, 2018882, 4037764, 5047205, 10094410, 20188820]

約数ペア:

[(1, 20188820), (2, 10094410), (4, 5047205), (5, 4037764), (10, 2018882), (20, 1009441), (607, 33260), (1214, 16630), (1663, 12140), (2428, 8315), (3035, 6652), (3326, 6070)]