20160981218

素因数分解:

$2^1\times 7^1\times {\mathrm{2657}}^1\times {\mathrm{541991}}^1$

素因数の和:544657

約数の個数: 16

約数和(自身を含む): 34574753664

約数和(自身を除く): 14413772446

約数列:

[1, 2, 7, 14, 2657, 5314, 18599, 37198, 541991, 1083982, 3793937, 7587874, 1440070087, 2880140174, 10080490609, 20160981218]

約数ペア:

[(1, 20160981218), (2, 10080490609), (7, 2880140174), (14, 1440070087), (2657, 7587874), (5314, 3793937), (18599, 1083982), (37198, 541991)]