20395275

素因数分解:

$3^1\times 5^2\times {\mathrm{193}}^1\times {\mathrm{1409}}^1$

素因数の和:1615

約数の個数: 24

約数和(自身を含む): 33918960

約数和(自身を除く): 13523685

約数列:

[1, 3, 5, 15, 25, 75, 193, 579, 965, 1409, 2895, 4227, 4825, 7045, 14475, 21135, 35225, 105675, 271937, 815811, 1359685, 4079055, 6798425, 20395275]

約数ペア:

[(1, 20395275), (3, 6798425), (5, 4079055), (15, 1359685), (25, 815811), (75, 271937), (193, 105675), (579, 35225), (965, 21135), (1409, 14475), (2895, 7045), (4227, 4825)]