20502051

素因数分解:

$3^1\times {\mathrm{17}}^1\times {\mathrm{181}}^1\times {\mathrm{2221}}^1$

素因数の和:2422

約数の個数: 16

約数和(自身を含む): 29117088

約数和(自身を除く): 8615037

約数列:

[1, 3, 17, 51, 181, 543, 2221, 3077, 6663, 9231, 37757, 113271, 402001, 1206003, 6834017, 20502051]

約数ペア:

[(1, 20502051), (3, 6834017), (17, 1206003), (51, 402001), (181, 113271), (543, 37757), (2221, 9231), (3077, 6663)]