20933965

素因数分解:

$5^1\times {\mathrm{13}}^1\times {\mathrm{443}}^1\times {\mathrm{727}}^1$

素因数の和:1188

約数の個数: 16

約数和(自身を含む): 27151488

約数和(自身を除く): 6217523

約数列:

[1, 5, 13, 65, 443, 727, 2215, 3635, 5759, 9451, 28795, 47255, 322061, 1610305, 4186793, 20933965]

約数ペア:

[(1, 20933965), (5, 4186793), (13, 1610305), (65, 322061), (443, 47255), (727, 28795), (2215, 9451), (3635, 5759)]