20578118

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{461}}^1\times {\mathrm{2029}}^1$

素因数の和:2503

約数の個数: 16

約数和(自身を含む): 33762960

約数和(自身を除く): 13184842

約数列:

[1, 2, 11, 22, 461, 922, 2029, 4058, 5071, 10142, 22319, 44638, 935369, 1870738, 10289059, 20578118]

約数ペア:

[(1, 20578118), (2, 10289059), (11, 1870738), (22, 935369), (461, 44638), (922, 22319), (2029, 10142), (4058, 5071)]