20538404

素因数分解:

$2^2\times {\mathrm{37}}^1\times {\mathrm{73}}^1\times {\mathrm{1901}}^1$

素因数の和:2015

約数の個数: 24

約数和(自身を含む): 37438968

約数和(自身を除く): 16900564

約数列:

[1, 2, 4, 37, 73, 74, 146, 148, 292, 1901, 2701, 3802, 5402, 7604, 10804, 70337, 138773, 140674, 277546, 281348, 555092, 5134601, 10269202, 20538404]

約数ペア:

[(1, 20538404), (2, 10269202), (4, 5134601), (37, 555092), (73, 281348), (74, 277546), (146, 140674), (148, 138773), (292, 70337), (1901, 10804), (2701, 7604), (3802, 5402)]