20119288

素因数分解:

$2^3\times 7^1\times {\mathrm{443}}^1\times {\mathrm{811}}^1$

素因数の和:1267

約数の個数: 32

約数和(自身を含む): 43263360

約数和(自身を除く): 23144072

約数列:

[1, 2, 4, 7, 8, 14, 28, 56, 443, 811, 886, 1622, 1772, 3101, 3244, 3544, 5677, 6202, 6488, 11354, 12404, 22708, 24808, 45416, 359273, 718546, 1437092, 2514911, 2874184, 5029822, 10059644, 20119288]

約数ペア:

[(1, 20119288), (2, 10059644), (4, 5029822), (7, 2874184), (8, 2514911), (14, 1437092), (28, 718546), (56, 359273), (443, 45416), (811, 24808), (886, 22708), (1622, 12404), (1772, 11354), (3101, 6488), (3244, 6202), (3544, 5677)]