20378312

素因数分解:

$2^3\times {\mathrm{41}}^1\times {\mathrm{62129}}^1$

素因数の和:62176

約数の個数: 16

約数和(自身を含む): 39141900

約数和(自身を除く): 18763588

約数列:

[1, 2, 4, 8, 41, 82, 164, 328, 62129, 124258, 248516, 497032, 2547289, 5094578, 10189156, 20378312]

約数ペア:

[(1, 20378312), (2, 10189156), (4, 5094578), (8, 2547289), (41, 497032), (82, 248516), (164, 124258), (328, 62129)]