20925239

素因数分解:

${\mathrm{23}}^1\times {\mathrm{37}}^1\times {\mathrm{67}}^1\times {\mathrm{367}}^1$

素因数の和:494

約数の個数: 16

約数和(自身を含む): 22821888

約数和(自身を除く): 1896649

約数列:

[1, 23, 37, 67, 367, 851, 1541, 2479, 8441, 13579, 24589, 57017, 312317, 565547, 909793, 20925239]

約数ペア:

[(1, 20925239), (23, 909793), (37, 565547), (67, 312317), (367, 57017), (851, 24589), (1541, 13579), (2479, 8441)]