20159388613

素因数分解:

$7^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{43}}^1\times {\mathrm{303053}}^1$

素因数の和:303133

約数の個数: 32

約数和(自身を含む): 26882102016

約数和(自身を除く): 6722713403

約数列:

[1, 7, 13, 17, 43, 91, 119, 221, 301, 559, 731, 1547, 3913, 5117, 9503, 66521, 303053, 2121371, 3939689, 5151901, 13031279, 27577823, 36063307, 66974713, 91218953, 169406627, 221531743, 468822991, 1185846389, 1550722201, 2879912659, 20159388613]

約数ペア:

[(1, 20159388613), (7, 2879912659), (13, 1550722201), (17, 1185846389), (43, 468822991), (91, 221531743), (119, 169406627), (221, 91218953), (301, 66974713), (559, 36063307), (731, 27577823), (1547, 13031279), (3913, 5151901), (5117, 3939689), (9503, 2121371), (66521, 303053)]