20195625

素因数分解:

$3^1\times 5^4\times {\mathrm{10771}}^1$

素因数の和:10794

約数の個数: 20

約数和(自身を含む): 33651728

約数和(自身を除く): 13456103

約数列:

[1, 3, 5, 15, 25, 75, 125, 375, 625, 1875, 10771, 32313, 53855, 161565, 269275, 807825, 1346375, 4039125, 6731875, 20195625]

約数ペア:

[(1, 20195625), (3, 6731875), (5, 4039125), (15, 1346375), (25, 807825), (75, 269275), (125, 161565), (375, 53855), (625, 32313), (1875, 10771)]