20456571

素因数分解:

$3^1\times {\mathrm{29}}^1\times {\mathrm{73}}^1\times {\mathrm{3221}}^1$

素因数の和:3326

約数の個数: 16

約数和(自身を含む): 28611360

約数和(自身を除く): 8154789

約数列:

[1, 3, 29, 73, 87, 219, 2117, 3221, 6351, 9663, 93409, 235133, 280227, 705399, 6818857, 20456571]

約数ペア:

[(1, 20456571), (3, 6818857), (29, 705399), (73, 280227), (87, 235133), (219, 93409), (2117, 9663), (3221, 6351)]