20125385

素因数分解:

$5^1\times 7^1\times {\mathrm{307}}^1\times {\mathrm{1873}}^1$

素因数の和:2192

約数の個数: 16

約数和(自身を含む): 27705216

約数和(自身を除く): 7579831

約数列:

[1, 5, 7, 35, 307, 1535, 1873, 2149, 9365, 10745, 13111, 65555, 575011, 2875055, 4025077, 20125385]

約数ペア:

[(1, 20125385), (5, 4025077), (7, 2875055), (35, 575011), (307, 65555), (1535, 13111), (1873, 10745), (2149, 9365)]