20723547

素因数分解:

$3^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{27967}}^1$

素因数の和:28002

約数の個数: 16

約数和(自身を含む): 31324160

約数和(自身を除く): 10600613

約数列:

[1, 3, 13, 19, 39, 57, 247, 741, 27967, 83901, 363571, 531373, 1090713, 1594119, 6907849, 20723547]

約数ペア:

[(1, 20723547), (3, 6907849), (13, 1594119), (19, 1090713), (39, 531373), (57, 363571), (247, 83901), (741, 27967)]