20123184140

素因数分解:

$2^2\times 5^1\times {\mathrm{10711}}^1\times {\mathrm{93937}}^1$

素因数の和:104657

約数の個数: 24

約数和(自身を含む): 42263081952

約数和(自身を除く): 22139897812

約数列:

[1, 2, 4, 5, 10, 20, 10711, 21422, 42844, 53555, 93937, 107110, 187874, 214220, 375748, 469685, 939370, 1878740, 1006159207, 2012318414, 4024636828, 5030796035, 10061592070, 20123184140]

約数ペア:

[(1, 20123184140), (2, 10061592070), (4, 5030796035), (5, 4024636828), (10, 2012318414), (20, 1006159207), (10711, 1878740), (21422, 939370), (42844, 469685), (53555, 375748), (93937, 214220), (107110, 187874)]