20391740

素因数分解:

$2^2\times 5^1\times {\mathrm{773}}^1\times {\mathrm{1319}}^1$

素因数の和:2101

約数の個数: 24

約数和(自身を含む): 42910560

約数和(自身を除く): 22518820

約数列:

[1, 2, 4, 5, 10, 20, 773, 1319, 1546, 2638, 3092, 3865, 5276, 6595, 7730, 13190, 15460, 26380, 1019587, 2039174, 4078348, 5097935, 10195870, 20391740]

約数ペア:

[(1, 20391740), (2, 10195870), (4, 5097935), (5, 4078348), (10, 2039174), (20, 1019587), (773, 26380), (1319, 15460), (1546, 13190), (2638, 7730), (3092, 6595), (3865, 5276)]