20194674740

素因数分解:

$2^2\times 5^1\times {\mathrm{37}}^1\times {\mathrm{73}}^1\times {\mathrm{373837}}^1$

素因数の和:373956

約数の個数: 48

約数和(自身を含む): 44151763152

約数和(自身を除く): 23957088412

約数列:

[1, 2, 4, 5, 10, 20, 37, 73, 74, 146, 148, 185, 292, 365, 370, 730, 740, 1460, 2701, 5402, 10804, 13505, 27010, 54020, 373837, 747674, 1495348, 1869185, 3738370, 7476740, 13831969, 27290101, 27663938, 54580202, 55327876, 69159845, 109160404, 136450505, 138319690, 272901010, 276639380, 545802020, 1009733737, 2019467474, 4038934948, 5048668685, 10097337370, 20194674740]

約数ペア:

[(1, 20194674740), (2, 10097337370), (4, 5048668685), (5, 4038934948), (10, 2019467474), (20, 1009733737), (37, 545802020), (73, 276639380), (74, 272901010), (146, 138319690), (148, 136450505), (185, 109160404), (292, 69159845), (365, 55327876), (370, 54580202), (730, 27663938), (740, 27290101), (1460, 13831969), (2701, 7476740), (5402, 3738370), (10804, 1869185), (13505, 1495348), (27010, 747674), (54020, 373837)]