20283178

素因数分解:

$2^1\times {\mathrm{37}}^1\times {\mathrm{67}}^1\times {\mathrm{4091}}^1$

素因数の和:4197

約数の個数: 16

約数和(自身を含む): 31721184

約数和(自身を除く): 11438006

約数列:

[1, 2, 37, 67, 74, 134, 2479, 4091, 4958, 8182, 151367, 274097, 302734, 548194, 10141589, 20283178]

約数ペア:

[(1, 20283178), (2, 10141589), (37, 548194), (67, 302734), (74, 274097), (134, 151367), (2479, 8182), (4091, 4958)]