20171249945

素因数分解:

$5^1\times 7^1\times {\mathrm{11}}^2\times {\mathrm{877}}^1\times {\mathrm{5431}}^1$

素因数の和:6342

約数の個数: 48

約数和(自身を含む): 30447185664

約数和(自身を除く): 10275935719

約数列:

[1, 5, 7, 11, 35, 55, 77, 121, 385, 605, 847, 877, 4235, 4385, 5431, 6139, 9647, 27155, 30695, 38017, 48235, 59741, 67529, 106117, 190085, 298705, 337645, 418187, 530585, 657151, 742819, 2090935, 3285755, 3714095, 4600057, 4762987, 23000285, 23814935, 33340909, 52392857, 166704545, 261964285, 366749999, 576321427, 1833749995, 2881607135, 4034249989, 20171249945]

約数ペア:

[(1, 20171249945), (5, 4034249989), (7, 2881607135), (11, 1833749995), (35, 576321427), (55, 366749999), (77, 261964285), (121, 166704545), (385, 52392857), (605, 33340909), (847, 23814935), (877, 23000285), (4235, 4762987), (4385, 4600057), (5431, 3714095), (6139, 3285755), (9647, 2090935), (27155, 742819), (30695, 657151), (38017, 530585), (48235, 418187), (59741, 337645), (67529, 298705), (106117, 190085)]