20936295

素因数分解:

$3^2\times 5^1\times {\mathrm{103}}^1\times {\mathrm{4517}}^1$

素因数の和:4631

約数の個数: 24

約数和(自身を含む): 36650016

約数和(自身を除く): 15713721

約数列:

[1, 3, 5, 9, 15, 45, 103, 309, 515, 927, 1545, 4517, 4635, 13551, 22585, 40653, 67755, 203265, 465251, 1395753, 2326255, 4187259, 6978765, 20936295]

約数ペア:

[(1, 20936295), (3, 6978765), (5, 4187259), (9, 2326255), (15, 1395753), (45, 465251), (103, 203265), (309, 67755), (515, 40653), (927, 22585), (1545, 13551), (4517, 4635)]