20901850

素因数分解:

$2^1\times 5^2\times {\mathrm{379}}^1\times {\mathrm{1103}}^1$

素因数の和:1494

約数の個数: 24

約数和(自身を含む): 39015360

約数和(自身を除く): 18113510

約数列:

[1, 2, 5, 10, 25, 50, 379, 758, 1103, 1895, 2206, 3790, 5515, 9475, 11030, 18950, 27575, 55150, 418037, 836074, 2090185, 4180370, 10450925, 20901850]

約数ペア:

[(1, 20901850), (2, 10450925), (5, 4180370), (10, 2090185), (25, 836074), (50, 418037), (379, 55150), (758, 27575), (1103, 18950), (1895, 11030), (2206, 9475), (3790, 5515)]