20466578

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{211}}^1\times {\mathrm{4409}}^1$

素因数の和:4633

約数の個数: 16

約数和(自身を含む): 33657120

約数和(自身を除く): 13190542

約数列:

[1, 2, 11, 22, 211, 422, 2321, 4409, 4642, 8818, 48499, 96998, 930299, 1860598, 10233289, 20466578]

約数ペア:

[(1, 20466578), (2, 10233289), (11, 1860598), (22, 930299), (211, 96998), (422, 48499), (2321, 8818), (4409, 4642)]