20799145

素因数分解:

$5^1\times {\mathrm{47}}^1\times {\mathrm{67}}^1\times {\mathrm{1321}}^1$

素因数の和:1440

約数の個数: 16

約数和(自身を含む): 25890048

約数和(自身を除く): 5090903

約数列:

[1, 5, 47, 67, 235, 335, 1321, 3149, 6605, 15745, 62087, 88507, 310435, 442535, 4159829, 20799145]

約数ペア:

[(1, 20799145), (5, 4159829), (47, 442535), (67, 310435), (235, 88507), (335, 62087), (1321, 15745), (3149, 6605)]