20205825

素因数分解:

$3^1\times 5^2\times {\mathrm{41}}^1\times {\mathrm{6571}}^1$

素因数の和:6625

約数の個数: 24

約数和(自身を含む): 34226976

約数和(自身を除く): 14021151

約数列:

[1, 3, 5, 15, 25, 41, 75, 123, 205, 615, 1025, 3075, 6571, 19713, 32855, 98565, 164275, 269411, 492825, 808233, 1347055, 4041165, 6735275, 20205825]

約数ペア:

[(1, 20205825), (3, 6735275), (5, 4041165), (15, 1347055), (25, 808233), (41, 492825), (75, 269411), (123, 164275), (205, 98565), (615, 32855), (1025, 19713), (3075, 6571)]