20189545929

素因数分解:

$3^2\times 7^1\times {\mathrm{47}}^1\times {\mathrm{6818489}}^1$

素因数の和:6818549

約数の個数: 24

約数和(自身を含む): 34037902080

約数和(自身を除く): 13848356151

約数列:

[1, 3, 7, 9, 21, 47, 63, 141, 329, 423, 987, 2961, 6818489, 20455467, 47729423, 61366401, 143188269, 320468983, 429564807, 961406949, 2243282881, 2884220847, 6729848643, 20189545929]

約数ペア:

[(1, 20189545929), (3, 6729848643), (7, 2884220847), (9, 2243282881), (21, 961406949), (47, 429564807), (63, 320468983), (141, 143188269), (329, 61366401), (423, 47729423), (987, 20455467), (2961, 6818489)]