22684580

素因数分解:

$2^2\times 5^1\times {\mathrm{397}}^1\times {\mathrm{2857}}^1$

素因数の和:3263

約数の個数: 24

約数和(自身を含む): 47774328

約数和(自身を除く): 25089748

約数列:

[1, 2, 4, 5, 10, 20, 397, 794, 1588, 1985, 2857, 3970, 5714, 7940, 11428, 14285, 28570, 57140, 1134229, 2268458, 4536916, 5671145, 11342290, 22684580]

約数ペア:

[(1, 22684580), (2, 11342290), (4, 5671145), (5, 4536916), (10, 2268458), (20, 1134229), (397, 57140), (794, 28570), (1588, 14285), (1985, 11428), (2857, 7940), (3970, 5714)]