20847042

素因数分解:

$2^1\times 3^2\times {\mathrm{331}}^1\times {\mathrm{3499}}^1$

素因数の和:3838

約数の個数: 24

約数和(自身を含む): 45318000

約数和(自身を除く): 24470958

約数列:

[1, 2, 3, 6, 9, 18, 331, 662, 993, 1986, 2979, 3499, 5958, 6998, 10497, 20994, 31491, 62982, 1158169, 2316338, 3474507, 6949014, 10423521, 20847042]

約数ペア:

[(1, 20847042), (2, 10423521), (3, 6949014), (6, 3474507), (9, 2316338), (18, 1158169), (331, 62982), (662, 31491), (993, 20994), (1986, 10497), (2979, 6998), (3499, 5958)]