20423585

素因数分解:

$5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{44887}}^1$

素因数の和:44912

約数の個数: 16

約数和(自身を含む): 30164736

約数和(自身を除く): 9741151

約数列:

[1, 5, 7, 13, 35, 65, 91, 455, 44887, 224435, 314209, 583531, 1571045, 2917655, 4084717, 20423585]

約数ペア:

[(1, 20423585), (5, 4084717), (7, 2917655), (13, 1571045), (35, 583531), (65, 314209), (91, 224435), (455, 44887)]