20489348

素因数分解:

$2^2\times {\mathrm{11}}^1\times {\mathrm{73}}^1\times {\mathrm{6379}}^1$

素因数の和:6467

約数の個数: 24

約数和(自身を含む): 39658080

約数和(自身を除く): 19168732

約数列:

[1, 2, 4, 11, 22, 44, 73, 146, 292, 803, 1606, 3212, 6379, 12758, 25516, 70169, 140338, 280676, 465667, 931334, 1862668, 5122337, 10244674, 20489348]

約数ペア:

[(1, 20489348), (2, 10244674), (4, 5122337), (11, 1862668), (22, 931334), (44, 465667), (73, 280676), (146, 140338), (292, 70169), (803, 25516), (1606, 12758), (3212, 6379)]