20367368

素因数分解:

$2^3\times 7^1\times {\mathrm{443}}^1\times {\mathrm{821}}^1$

素因数の和:1277

約数の個数: 32

約数和(自身を含む): 43796160

約数和(自身を除く): 23428792

約数列:

[1, 2, 4, 7, 8, 14, 28, 56, 443, 821, 886, 1642, 1772, 3101, 3284, 3544, 5747, 6202, 6568, 11494, 12404, 22988, 24808, 45976, 363703, 727406, 1454812, 2545921, 2909624, 5091842, 10183684, 20367368]

約数ペア:

[(1, 20367368), (2, 10183684), (4, 5091842), (7, 2909624), (8, 2545921), (14, 1454812), (28, 727406), (56, 363703), (443, 45976), (821, 24808), (886, 22988), (1642, 12404), (1772, 11494), (3101, 6568), (3284, 6202), (3544, 5747)]