20994018

素因数分解:

$2^1\times 3^1\times {\mathrm{1223}}^1\times {\mathrm{2861}}^1$

素因数の和:4089

約数の個数: 16

約数和(自身を含む): 42037056

約数和(自身を除く): 21043038

約数列:

[1, 2, 3, 6, 1223, 2446, 2861, 3669, 5722, 7338, 8583, 17166, 3499003, 6998006, 10497009, 20994018]

約数ペア:

[(1, 20994018), (2, 10497009), (3, 6998006), (6, 3499003), (1223, 17166), (2446, 8583), (2861, 7338), (3669, 5722)]