20942475

素因数分解:

$3^1\times 5^2\times {\mathrm{103}}^1\times {\mathrm{2711}}^1$

素因数の和:2827

約数の個数: 24

約数和(自身を含む): 34973952

約数和(自身を除く): 14031477

約数列:

[1, 3, 5, 15, 25, 75, 103, 309, 515, 1545, 2575, 2711, 7725, 8133, 13555, 40665, 67775, 203325, 279233, 837699, 1396165, 4188495, 6980825, 20942475]

約数ペア:

[(1, 20942475), (3, 6980825), (5, 4188495), (15, 1396165), (25, 837699), (75, 279233), (103, 203325), (309, 67775), (515, 40665), (1545, 13555), (2575, 8133), (2711, 7725)]