20883075

素因数分解:

$3^1\times 5^2\times {\mathrm{383}}^1\times {\mathrm{727}}^1$

素因数の和:1123

約数の個数: 24

約数和(自身を含む): 34664448

約数和(自身を除く): 13781373

約数列:

[1, 3, 5, 15, 25, 75, 383, 727, 1149, 1915, 2181, 3635, 5745, 9575, 10905, 18175, 28725, 54525, 278441, 835323, 1392205, 4176615, 6961025, 20883075]

約数ペア:

[(1, 20883075), (3, 6961025), (5, 4176615), (15, 1392205), (25, 835323), (75, 278441), (383, 54525), (727, 28725), (1149, 18175), (1915, 10905), (2181, 9575), (3635, 5745)]