20935965

素因数分解:

$3^1\times 5^1\times {\mathrm{811}}^1\times {\mathrm{1721}}^1$

素因数の和:2540

約数の個数: 16

約数和(自身を含む): 33558336

約数和(自身を除く): 12622371

約数列:

[1, 3, 5, 15, 811, 1721, 2433, 4055, 5163, 8605, 12165, 25815, 1395731, 4187193, 6978655, 20935965]

約数ペア:

[(1, 20935965), (3, 6978655), (5, 4187193), (15, 1395731), (811, 25815), (1721, 12165), (2433, 8605), (4055, 5163)]