20966590

素因数分解:

$2^1\times 5^1\times {\mathrm{101}}^1\times {\mathrm{20759}}^1$

素因数の和:20867

約数の個数: 16

約数和(自身を含む): 38115360

約数和(自身を除く): 17148770

約数列:

[1, 2, 5, 10, 101, 202, 505, 1010, 20759, 41518, 103795, 207590, 2096659, 4193318, 10483295, 20966590]

約数ペア:

[(1, 20966590), (2, 10483295), (5, 4193318), (10, 2096659), (101, 207590), (202, 103795), (505, 41518), (1010, 20759)]