20127735

素因数分解:

$3^2\times 5^1\times {\mathrm{347}}^1\times {\mathrm{1289}}^1$

素因数の和:1647

約数の個数: 24

約数和(自身を含む): 35015760

約数和(自身を除く): 14888025

約数列:

[1, 3, 5, 9, 15, 45, 347, 1041, 1289, 1735, 3123, 3867, 5205, 6445, 11601, 15615, 19335, 58005, 447283, 1341849, 2236415, 4025547, 6709245, 20127735]

約数ペア:

[(1, 20127735), (3, 6709245), (5, 4025547), (9, 2236415), (15, 1341849), (45, 447283), (347, 58005), (1041, 19335), (1289, 15615), (1735, 11601), (3123, 6445), (3867, 5205)]