20178922

素因数分解:

$2^1\times {\mathrm{61}}^1\times {\mathrm{193}}^1\times {\mathrm{857}}^1$

素因数の和:1113

約数の個数: 16

約数和(自身を含む): 30960072

約数和(自身を除く): 10781150

約数列:

[1, 2, 61, 122, 193, 386, 857, 1714, 11773, 23546, 52277, 104554, 165401, 330802, 10089461, 20178922]

約数ペア:

[(1, 20178922), (2, 10089461), (61, 330802), (122, 165401), (193, 104554), (386, 52277), (857, 23546), (1714, 11773)]