20704090

素因数分解:

$2^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{37}}^1\times {\mathrm{5087}}^1$

素因数の和:5142

約数の個数: 32

約数和(自身を含む): 41762304

約数和(自身を除く): 21058214

約数列:

[1, 2, 5, 10, 11, 22, 37, 55, 74, 110, 185, 370, 407, 814, 2035, 4070, 5087, 10174, 25435, 50870, 55957, 111914, 188219, 279785, 376438, 559570, 941095, 1882190, 2070409, 4140818, 10352045, 20704090]

約数ペア:

[(1, 20704090), (2, 10352045), (5, 4140818), (10, 2070409), (11, 1882190), (22, 941095), (37, 559570), (55, 376438), (74, 279785), (110, 188219), (185, 111914), (370, 55957), (407, 50870), (814, 25435), (2035, 10174), (4070, 5087)]