19969660

素因数分解:

$2^2\times 5^1\times {\mathrm{757}}^1\times {\mathrm{1319}}^1$

素因数の和:2085

約数の個数: 24

約数和(自身を含む): 42023520

約数和(自身を除く): 22053860

約数列:

[1, 2, 4, 5, 10, 20, 757, 1319, 1514, 2638, 3028, 3785, 5276, 6595, 7570, 13190, 15140, 26380, 998483, 1996966, 3993932, 4992415, 9984830, 19969660]

約数ペア:

[(1, 19969660), (2, 9984830), (4, 4992415), (5, 3993932), (10, 1996966), (20, 998483), (757, 26380), (1319, 15140), (1514, 13190), (2638, 7570), (3028, 6595), (3785, 5276)]