20172089905

素因数分解:

$5^1\times {\mathrm{11}}^1\times {\mathrm{109}}^1\times {\mathrm{643}}^1\times {\mathrm{5233}}^1$

素因数の和:6001

約数の個数: 32

約数和(自身を含む): 26695912320

約数和(自身を除く): 6523822415

約数列:

[1, 5, 11, 55, 109, 545, 643, 1199, 3215, 5233, 5995, 7073, 26165, 35365, 57563, 70087, 287815, 350435, 570397, 770957, 2851985, 3364819, 3854785, 6274367, 16824095, 31371835, 37013009, 185065045, 366765271, 1833826355, 4034417981, 20172089905]

約数ペア:

[(1, 20172089905), (5, 4034417981), (11, 1833826355), (55, 366765271), (109, 185065045), (545, 37013009), (643, 31371835), (1199, 16824095), (3215, 6274367), (5233, 3854785), (5995, 3364819), (7073, 2851985), (26165, 770957), (35365, 570397), (57563, 350435), (70087, 287815)]