20924566

素因数分解:

$2^1\times {\mathrm{13}}^2\times {\mathrm{31}}^1\times {\mathrm{1997}}^1$

素因数の和:2056

約数の個数: 24

約数和(自身を含む): 35100864

約数和(自身を除く): 14176298

約数列:

[1, 2, 13, 26, 31, 62, 169, 338, 403, 806, 1997, 3994, 5239, 10478, 25961, 51922, 61907, 123814, 337493, 674986, 804791, 1609582, 10462283, 20924566]

約数ペア:

[(1, 20924566), (2, 10462283), (13, 1609582), (26, 804791), (31, 674986), (62, 337493), (169, 123814), (338, 61907), (403, 51922), (806, 25961), (1997, 10478), (3994, 5239)]