20338449

素因数分解:

$3^1\times {\mathrm{31}}^1\times {\mathrm{383}}^1\times {\mathrm{571}}^1$

素因数の和:988

約数の個数: 16

約数和(自身を含む): 28114944

約数和(自身を除く): 7776495

約数列:

[1, 3, 31, 93, 383, 571, 1149, 1713, 11873, 17701, 35619, 53103, 218693, 656079, 6779483, 20338449]

約数ペア:

[(1, 20338449), (3, 6779483), (31, 656079), (93, 218693), (383, 53103), (571, 35619), (1149, 17701), (1713, 11873)]