20740725

素因数分解:

$3^3\times 5^2\times {\mathrm{30727}}^1$

素因数の和:30746

約数の個数: 24

約数和(自身を含む): 38102720

約数和(自身を除く): 17361995

約数列:

[1, 3, 5, 9, 15, 25, 27, 45, 75, 135, 225, 675, 30727, 92181, 153635, 276543, 460905, 768175, 829629, 1382715, 2304525, 4148145, 6913575, 20740725]

約数ペア:

[(1, 20740725), (3, 6913575), (5, 4148145), (9, 2304525), (15, 1382715), (25, 829629), (27, 768175), (45, 460905), (75, 276543), (135, 153635), (225, 92181), (675, 30727)]