20526405

素因数分解:

$3^1\times 5^1\times {\mathrm{443}}^1\times {\mathrm{3089}}^1$

素因数の和:3540

約数の個数: 16

約数和(自身を含む): 32927040

約数和(自身を除く): 12400635

約数列:

[1, 3, 5, 15, 443, 1329, 2215, 3089, 6645, 9267, 15445, 46335, 1368427, 4105281, 6842135, 20526405]

約数ペア:

[(1, 20526405), (3, 6842135), (5, 4105281), (15, 1368427), (443, 46335), (1329, 15445), (2215, 9267), (3089, 6645)]