20163555451

素因数分解:

${\mathrm{13}}^2\times {\mathrm{167}}^1\times {\mathrm{421}}^1\times {\mathrm{1697}}^1$

素因数の和:2311

約数の個数: 24

約数和(自身を含む): 22029797664

約数和(自身を除く): 1866242213

約数列:

[1, 13, 167, 169, 421, 1697, 2171, 5473, 22061, 28223, 70307, 71149, 283399, 286793, 714437, 913991, 3684187, 9287681, 11881883, 47894431, 119310979, 120739853, 1551042727, 20163555451]

約数ペア:

[(1, 20163555451), (13, 1551042727), (167, 120739853), (169, 119310979), (421, 47894431), (1697, 11881883), (2171, 9287681), (5473, 3684187), (22061, 913991), (28223, 714437), (70307, 286793), (71149, 283399)]