8906620

素因数分解:

$2^2\times 5^1\times {\mathrm{223}}^1\times {\mathrm{1997}}^1$

素因数の和:2229

約数の個数: 24

約数和(自身を含む): 18797184

約数和(自身を除く): 9890564

約数列:

[1, 2, 4, 5, 10, 20, 223, 446, 892, 1115, 1997, 2230, 3994, 4460, 7988, 9985, 19970, 39940, 445331, 890662, 1781324, 2226655, 4453310, 8906620]

約数ペア:

[(1, 8906620), (2, 4453310), (4, 2226655), (5, 1781324), (10, 890662), (20, 445331), (223, 39940), (446, 19970), (892, 9985), (1115, 7988), (1997, 4460), (2230, 3994)]