20661277

素因数分解:

$7^1\times {\mathrm{13}}^1\times {\mathrm{109}}^1\times {\mathrm{2083}}^1$

素因数の和:2212

約数の個数: 16

約数和(自身を含む): 25674880

約数和(自身を除く): 5013603

約数列:

[1, 7, 13, 91, 109, 763, 1417, 2083, 9919, 14581, 27079, 189553, 227047, 1589329, 2951611, 20661277]

約数ペア:

[(1, 20661277), (7, 2951611), (13, 1589329), (91, 227047), (109, 189553), (763, 27079), (1417, 14581), (2083, 9919)]