20661050

素因数分解:

$2^1\times 5^2\times {\mathrm{29}}^1\times {\mathrm{14249}}^1$

素因数の和:14290

約数の個数: 24

約数和(自身を含む): 39757500

約数和(自身を除く): 19096450

約数列:

[1, 2, 5, 10, 25, 29, 50, 58, 145, 290, 725, 1450, 14249, 28498, 71245, 142490, 356225, 413221, 712450, 826442, 2066105, 4132210, 10330525, 20661050]

約数ペア:

[(1, 20661050), (2, 10330525), (5, 4132210), (10, 2066105), (25, 826442), (29, 712450), (50, 413221), (58, 356225), (145, 142490), (290, 71245), (725, 28498), (1450, 14249)]