20331855

素因数分解:

$3^2\times 5^1\times {\mathrm{131}}^1\times {\mathrm{3449}}^1$

素因数の和:3591

約数の個数: 24

約数和(自身を含む): 35521200

約数和(自身を除く): 15189345

約数列:

[1, 3, 5, 9, 15, 45, 131, 393, 655, 1179, 1965, 3449, 5895, 10347, 17245, 31041, 51735, 155205, 451819, 1355457, 2259095, 4066371, 6777285, 20331855]

約数ペア:

[(1, 20331855), (3, 6777285), (5, 4066371), (9, 2259095), (15, 1355457), (45, 451819), (131, 155205), (393, 51735), (655, 31041), (1179, 17245), (1965, 10347), (3449, 5895)]