20505926

素因数分解:

$2^1\times 7^1\times {\mathrm{23}}^1\times {\mathrm{43}}^1\times {\mathrm{1481}}^1$

素因数の和:1556

約数の個数: 32

約数和(自身を含む): 37559808

約数和(自身を除く): 17053882

約数列:

[1, 2, 7, 14, 23, 43, 46, 86, 161, 301, 322, 602, 989, 1481, 1978, 2962, 6923, 10367, 13846, 20734, 34063, 63683, 68126, 127366, 238441, 445781, 476882, 891562, 1464709, 2929418, 10252963, 20505926]

約数ペア:

[(1, 20505926), (2, 10252963), (7, 2929418), (14, 1464709), (23, 891562), (43, 476882), (46, 445781), (86, 238441), (161, 127366), (301, 68126), (322, 63683), (602, 34063), (989, 20734), (1481, 13846), (1978, 10367), (2962, 6923)]