20348890

素因数分解:

$2^1\times 5^1\times {\mathrm{37}}^1\times {\mathrm{43}}^1\times {\mathrm{1279}}^1$

素因数の和:1366

約数の個数: 32

約数和(自身を含む): 38522880

約数和(自身を除く): 18173990

約数列:

[1, 2, 5, 10, 37, 43, 74, 86, 185, 215, 370, 430, 1279, 1591, 2558, 3182, 6395, 7955, 12790, 15910, 47323, 54997, 94646, 109994, 236615, 274985, 473230, 549970, 2034889, 4069778, 10174445, 20348890]

約数ペア:

[(1, 20348890), (2, 10174445), (5, 4069778), (10, 2034889), (37, 549970), (43, 473230), (74, 274985), (86, 236615), (185, 109994), (215, 94646), (370, 54997), (430, 47323), (1279, 15910), (1591, 12790), (2558, 7955), (3182, 6395)]