20153973161

素因数分解:

$7^1\times {\mathrm{17}}^1\times {\mathrm{41}}^1\times {\mathrm{887}}^1\times {\mathrm{4657}}^1$

素因数の和:5609

約数の個数: 32

約数和(自身を含む): 25016366592

約数和(自身を除く): 4862393431

約数列:

[1, 7, 17, 41, 119, 287, 697, 887, 4657, 4879, 6209, 15079, 32599, 36367, 79169, 105553, 190937, 254569, 554183, 618239, 1336559, 3245929, 4130759, 4327673, 22721503, 28915313, 70222903, 169361119, 491560321, 1185527833, 2879139023, 20153973161]

約数ペア:

[(1, 20153973161), (7, 2879139023), (17, 1185527833), (41, 491560321), (119, 169361119), (287, 70222903), (697, 28915313), (887, 22721503), (4657, 4327673), (4879, 4130759), (6209, 3245929), (15079, 1336559), (32599, 618239), (36367, 554183), (79169, 254569), (105553, 190937)]