20644060

素因数分解:

$2^2\times 5^1\times {\mathrm{241}}^1\times {\mathrm{4283}}^1$

素因数の和:4533

約数の個数: 24

約数和(自身を含む): 43542576

約数和(自身を除く): 22898516

約数列:

[1, 2, 4, 5, 10, 20, 241, 482, 964, 1205, 2410, 4283, 4820, 8566, 17132, 21415, 42830, 85660, 1032203, 2064406, 4128812, 5161015, 10322030, 20644060]

約数ペア:

[(1, 20644060), (2, 10322030), (4, 5161015), (5, 4128812), (10, 2064406), (20, 1032203), (241, 85660), (482, 42830), (964, 21415), (1205, 17132), (2410, 8566), (4283, 4820)]