20396935

素因数分解:

$5^1\times {\mathrm{13}}^1\times {\mathrm{311}}^1\times {\mathrm{1009}}^1$

素因数の和:1338

約数の個数: 16

約数和(自身を含む): 26470080

約数和(自身を除く): 6073145

約数列:

[1, 5, 13, 65, 311, 1009, 1555, 4043, 5045, 13117, 20215, 65585, 313799, 1568995, 4079387, 20396935]

約数ペア:

[(1, 20396935), (5, 4079387), (13, 1568995), (65, 313799), (311, 65585), (1009, 20215), (1555, 13117), (4043, 5045)]