20465258

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{73}}^1\times {\mathrm{12743}}^1$

素因数の和:12829

約数の個数: 16

約数和(自身を含む): 33950016

約数和(自身を除く): 13484758

約数列:

[1, 2, 11, 22, 73, 146, 803, 1606, 12743, 25486, 140173, 280346, 930239, 1860478, 10232629, 20465258]

約数ペア:

[(1, 20465258), (2, 10232629), (11, 1860478), (22, 930239), (73, 280346), (146, 140173), (803, 25486), (1606, 12743)]