20966910

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{701}}^1\times {\mathrm{997}}^1$

素因数の和:1708

約数の個数: 32

約数和(自身を含む): 50442912

約数和(自身を除く): 29476002

約数列:

[1, 2, 3, 5, 6, 10, 15, 30, 701, 997, 1402, 1994, 2103, 2991, 3505, 4206, 4985, 5982, 7010, 9970, 10515, 14955, 21030, 29910, 698897, 1397794, 2096691, 3494485, 4193382, 6988970, 10483455, 20966910]

約数ペア:

[(1, 20966910), (2, 10483455), (3, 6988970), (5, 4193382), (6, 3494485), (10, 2096691), (15, 1397794), (30, 698897), (701, 29910), (997, 21030), (1402, 14955), (1994, 10515), (2103, 9970), (2991, 7010), (3505, 5982), (4206, 4985)]