20838468

素因数分解:

$2^2\times 3^1\times 7^1\times {\mathrm{248077}}^1$

素因数の和:248091

約数の個数: 24

約数和(自身を含む): 55569472

約数和(自身を除く): 34731004

約数列:

[1, 2, 3, 4, 6, 7, 12, 14, 21, 28, 42, 84, 248077, 496154, 744231, 992308, 1488462, 1736539, 2976924, 3473078, 5209617, 6946156, 10419234, 20838468]

約数ペア:

[(1, 20838468), (2, 10419234), (3, 6946156), (4, 5209617), (6, 3473078), (7, 2976924), (12, 1736539), (14, 1488462), (21, 992308), (28, 744231), (42, 496154), (84, 248077)]