20482288

素因数分解:

$2^4\times {\mathrm{41}}^1\times {\mathrm{31223}}^1$

素因数の和:31272

約数の個数: 20

約数和(自身を含む): 40653648

約数和(自身を除く): 20171360

約数列:

[1, 2, 4, 8, 16, 41, 82, 164, 328, 656, 31223, 62446, 124892, 249784, 499568, 1280143, 2560286, 5120572, 10241144, 20482288]

約数ペア:

[(1, 20482288), (2, 10241144), (4, 5120572), (8, 2560286), (16, 1280143), (41, 499568), (82, 249784), (164, 124892), (328, 62446), (656, 31223)]