20037717

素因数分解:

$3^2\times 7^3\times {\mathrm{6491}}^1$

素因数の和:6518

約数の個数: 24

約数和(自身を含む): 33758400

約数和(自身を除く): 13720683

約数列:

[1, 3, 7, 9, 21, 49, 63, 147, 343, 441, 1029, 3087, 6491, 19473, 45437, 58419, 136311, 318059, 408933, 954177, 2226413, 2862531, 6679239, 20037717]

約数ペア:

[(1, 20037717), (3, 6679239), (7, 2862531), (9, 2226413), (21, 954177), (49, 408933), (63, 318059), (147, 136311), (343, 58419), (441, 45437), (1029, 19473), (3087, 6491)]