20495835

素因数分解:

$3^6\times 5^1\times {\mathrm{5623}}^1$

素因数の和:5646

約数の個数: 28

約数和(自身を含む): 36882192

約数和(自身を除く): 16386357

約数列:

[1, 3, 5, 9, 15, 27, 45, 81, 135, 243, 405, 729, 1215, 3645, 5623, 16869, 28115, 50607, 84345, 151821, 253035, 455463, 759105, 1366389, 2277315, 4099167, 6831945, 20495835]

約数ペア:

[(1, 20495835), (3, 6831945), (5, 4099167), (9, 2277315), (15, 1366389), (27, 759105), (45, 455463), (81, 253035), (135, 151821), (243, 84345), (405, 50607), (729, 28115), (1215, 16869), (3645, 5623)]