20205525

素因数分解:

$3^1\times 5^2\times {\mathrm{67}}^1\times {\mathrm{4021}}^1$

素因数の和:4101

約数の個数: 24

約数和(自身を含む): 33913504

約数和(自身を除く): 13707979

約数列:

[1, 3, 5, 15, 25, 67, 75, 201, 335, 1005, 1675, 4021, 5025, 12063, 20105, 60315, 100525, 269407, 301575, 808221, 1347035, 4041105, 6735175, 20205525]

約数ペア:

[(1, 20205525), (3, 6735175), (5, 4041105), (15, 1347035), (25, 808221), (67, 301575), (75, 269407), (201, 100525), (335, 60315), (1005, 20105), (1675, 12063), (4021, 5025)]