20176785734

素因数分解:

$2^1\times 7^1\times {\mathrm{109}}^1\times {\mathrm{643}}^1\times {\mathrm{20563}}^1$

素因数の和:21324

約数の個数: 32

約数和(自身を含む): 34962090240

約数和(自身を除く): 14785304506

約数列:

[1, 2, 7, 14, 109, 218, 643, 763, 1286, 1526, 4501, 9002, 20563, 41126, 70087, 140174, 143941, 287882, 490609, 981218, 2241367, 4482734, 13222009, 15689569, 26444018, 31379138, 92554063, 185108126, 1441198981, 2882397962, 10088392867, 20176785734]

約数ペア:

[(1, 20176785734), (2, 10088392867), (7, 2882397962), (14, 1441198981), (109, 185108126), (218, 92554063), (643, 31379138), (763, 26444018), (1286, 15689569), (1526, 13222009), (4501, 4482734), (9002, 2241367), (20563, 981218), (41126, 490609), (70087, 287882), (140174, 143941)]