20804872

素因数分解:

$2^3\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{13907}}^1$

素因数の和:13941

約数の個数: 32

約数和(自身を含む): 45061920

約数和(自身を除く): 24257048

約数列:

[1, 2, 4, 8, 11, 17, 22, 34, 44, 68, 88, 136, 187, 374, 748, 1496, 13907, 27814, 55628, 111256, 152977, 236419, 305954, 472838, 611908, 945676, 1223816, 1891352, 2600609, 5201218, 10402436, 20804872]

約数ペア:

[(1, 20804872), (2, 10402436), (4, 5201218), (8, 2600609), (11, 1891352), (17, 1223816), (22, 945676), (34, 611908), (44, 472838), (68, 305954), (88, 236419), (136, 152977), (187, 111256), (374, 55628), (748, 27814), (1496, 13907)]