20339680

素因数分解:

$2^5\times 5^1\times {\mathrm{127123}}^1$

素因数の和:127138

約数の個数: 24

約数和(自身を含む): 48052872

約数和(自身を除く): 27713192

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 80, 160, 127123, 254246, 508492, 635615, 1016984, 1271230, 2033968, 2542460, 4067936, 5084920, 10169840, 20339680]

約数ペア:

[(1, 20339680), (2, 10169840), (4, 5084920), (5, 4067936), (8, 2542460), (10, 2033968), (16, 1271230), (20, 1016984), (32, 635615), (40, 508492), (80, 254246), (160, 127123)]