20696145

素因数分解:

$3^1\times 5^1\times {\mathrm{71}}^1\times {\mathrm{19433}}^1$

素因数の和:19512

約数の個数: 16

約数和(自身を含む): 33581952

約数和(自身を除く): 12885807

約数列:

[1, 3, 5, 15, 71, 213, 355, 1065, 19433, 58299, 97165, 291495, 1379743, 4139229, 6898715, 20696145]

約数ペア:

[(1, 20696145), (3, 6898715), (5, 4139229), (15, 1379743), (71, 291495), (213, 97165), (355, 58299), (1065, 19433)]