20669245

素因数分解:

$5^1\times {\mathrm{19}}^1\times {\mathrm{97}}^1\times {\mathrm{2243}}^1$

素因数の和:2364

約数の個数: 16

約数和(自身を含む): 26389440

約数和(自身を除く): 5720195

約数列:

[1, 5, 19, 95, 97, 485, 1843, 2243, 9215, 11215, 42617, 213085, 217571, 1087855, 4133849, 20669245]

約数ペア:

[(1, 20669245), (5, 4133849), (19, 1087855), (95, 217571), (97, 213085), (485, 42617), (1843, 11215), (2243, 9215)]