20265125

素因数分解:

$5^3\times {\mathrm{223}}^1\times {\mathrm{727}}^1$

素因数の和:965

約数の個数: 16

約数和(自身を含む): 25439232

約数和(自身を除く): 5174107

約数列:

[1, 5, 25, 125, 223, 727, 1115, 3635, 5575, 18175, 27875, 90875, 162121, 810605, 4053025, 20265125]

約数ペア:

[(1, 20265125), (5, 4053025), (25, 810605), (125, 162121), (223, 90875), (727, 27875), (1115, 18175), (3635, 5575)]