20209630

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{103}}^1\times {\mathrm{2803}}^1$

素因数の和:2920

約数の個数: 32

約数和(自身を含む): 41992704

約数和(自身を除く): 21783074

約数列:

[1, 2, 5, 7, 10, 14, 35, 70, 103, 206, 515, 721, 1030, 1442, 2803, 3605, 5606, 7210, 14015, 19621, 28030, 39242, 98105, 196210, 288709, 577418, 1443545, 2020963, 2887090, 4041926, 10104815, 20209630]

約数ペア:

[(1, 20209630), (2, 10104815), (5, 4041926), (7, 2887090), (10, 2020963), (14, 1443545), (35, 577418), (70, 288709), (103, 196210), (206, 98105), (515, 39242), (721, 28030), (1030, 19621), (1442, 14015), (2803, 7210), (3605, 5606)]