20585625

素因数分解:

$3^1\times 5^4\times {\mathrm{10979}}^1$

素因数の和:11002

約数の個数: 20

約数和(自身を含む): 34301520

約数和(自身を除く): 13715895

約数列:

[1, 3, 5, 15, 25, 75, 125, 375, 625, 1875, 10979, 32937, 54895, 164685, 274475, 823425, 1372375, 4117125, 6861875, 20585625]

約数ペア:

[(1, 20585625), (3, 6861875), (5, 4117125), (15, 1372375), (25, 823425), (75, 274475), (125, 164685), (375, 54895), (625, 32937), (1875, 10979)]