20863125

素因数分解:

$3^2\times 5^4\times {\mathrm{3709}}^1$

素因数の和:3735

約数の個数: 30

約数和(自身を含む): 37667630

約数和(自身を除く): 16804505

約数列:

[1, 3, 5, 9, 15, 25, 45, 75, 125, 225, 375, 625, 1125, 1875, 3709, 5625, 11127, 18545, 33381, 55635, 92725, 166905, 278175, 463625, 834525, 1390875, 2318125, 4172625, 6954375, 20863125]

約数ペア:

[(1, 20863125), (3, 6954375), (5, 4172625), (9, 2318125), (15, 1390875), (25, 834525), (45, 463625), (75, 278175), (125, 166905), (225, 92725), (375, 55635), (625, 33381), (1125, 18545), (1875, 11127), (3709, 5625)]