20789050

素因数分解:

$2^1\times 5^2\times {\mathrm{41}}^1\times {\mathrm{10141}}^1$

素因数の和:10194

約数の個数: 24

約数和(自身を含む): 39614652

約数和(自身を除く): 18825602

約数列:

[1, 2, 5, 10, 25, 41, 50, 82, 205, 410, 1025, 2050, 10141, 20282, 50705, 101410, 253525, 415781, 507050, 831562, 2078905, 4157810, 10394525, 20789050]

約数ペア:

[(1, 20789050), (2, 10394525), (5, 4157810), (10, 2078905), (25, 831562), (41, 507050), (50, 415781), (82, 253525), (205, 101410), (410, 50705), (1025, 20282), (2050, 10141)]