20771426

素因数分解:

$2^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{25771}}^1$

素因数の和:25817

約数の個数: 16

約数和(自身を含む): 34637568

約数和(自身を除く): 13866142

約数列:

[1, 2, 13, 26, 31, 62, 403, 806, 25771, 51542, 335023, 670046, 798901, 1597802, 10385713, 20771426]

約数ペア:

[(1, 20771426), (2, 10385713), (13, 1597802), (26, 798901), (31, 670046), (62, 335023), (403, 51542), (806, 25771)]