20123110

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{103}}^1\times {\mathrm{2791}}^1$

素因数の和:2908

約数の個数: 32

約数和(自身を含む): 41812992

約数和(自身を除く): 21689882

約数列:

[1, 2, 5, 7, 10, 14, 35, 70, 103, 206, 515, 721, 1030, 1442, 2791, 3605, 5582, 7210, 13955, 19537, 27910, 39074, 97685, 195370, 287473, 574946, 1437365, 2012311, 2874730, 4024622, 10061555, 20123110]

約数ペア:

[(1, 20123110), (2, 10061555), (5, 4024622), (7, 2874730), (10, 2012311), (14, 1437365), (35, 574946), (70, 287473), (103, 195370), (206, 97685), (515, 39074), (721, 27910), (1030, 19537), (1442, 13955), (2791, 7210), (3605, 5582)]