20381471

素因数分解:

${\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{113}}^1\times {\mathrm{863}}^1$

素因数の和:1006

約数の個数: 16

約数和(自身を含む): 23639040

約数和(自身を除く): 3257569

約数列:

[1, 11, 19, 113, 209, 863, 1243, 2147, 9493, 16397, 23617, 97519, 180367, 1072709, 1852861, 20381471]

約数ペア:

[(1, 20381471), (11, 1852861), (19, 1072709), (113, 180367), (209, 97519), (863, 23617), (1243, 16397), (2147, 9493)]