20458428

素因数分解:

$2^2\times 3^1\times {\mathrm{109}}^1\times {\mathrm{15641}}^1$

素因数の和:15757

約数の個数: 24

約数和(自身を含む): 48177360

約数和(自身を除く): 27718932

約数列:

[1, 2, 3, 4, 6, 12, 109, 218, 327, 436, 654, 1308, 15641, 31282, 46923, 62564, 93846, 187692, 1704869, 3409738, 5114607, 6819476, 10229214, 20458428]

約数ペア:

[(1, 20458428), (2, 10229214), (3, 6819476), (4, 5114607), (6, 3409738), (12, 1704869), (109, 187692), (218, 93846), (327, 62564), (436, 46923), (654, 31282), (1308, 15641)]