20539665

素因数分解:

$3^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{24023}}^1$

素因数の和:24053

約数の個数: 24

約数和(自身を含む): 37477440

約数和(自身を除く): 16937775

約数列:

[1, 3, 5, 9, 15, 19, 45, 57, 95, 171, 285, 855, 24023, 72069, 120115, 216207, 360345, 456437, 1081035, 1369311, 2282185, 4107933, 6846555, 20539665]

約数ペア:

[(1, 20539665), (3, 6846555), (5, 4107933), (9, 2282185), (15, 1369311), (19, 1081035), (45, 456437), (57, 360345), (95, 216207), (171, 120115), (285, 72069), (855, 24023)]