20168161

素因数分解:

${\mathrm{13}}^1\times {\mathrm{43}}^1\times {\mathrm{109}}^1\times {\mathrm{331}}^1$

素因数の和:496

約数の個数: 16

約数和(自身を含む): 22496320

約数和(自身を除く): 2328159

約数列:

[1, 13, 43, 109, 331, 559, 1417, 4303, 4687, 14233, 36079, 60931, 185029, 469027, 1551397, 20168161]

約数ペア:

[(1, 20168161), (13, 1551397), (43, 469027), (109, 185029), (331, 60931), (559, 36079), (1417, 14233), (4303, 4687)]