20516756

素因数分解:

$2^2\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{23209}}^1$

素因数の和:23243

約数の個数: 24

約数和(自身を含む): 40942440

約数和(自身を除く): 20425684

約数列:

[1, 2, 4, 13, 17, 26, 34, 52, 68, 221, 442, 884, 23209, 46418, 92836, 301717, 394553, 603434, 789106, 1206868, 1578212, 5129189, 10258378, 20516756]

約数ペア:

[(1, 20516756), (2, 10258378), (4, 5129189), (13, 1578212), (17, 1206868), (26, 789106), (34, 603434), (52, 394553), (68, 301717), (221, 92836), (442, 46418), (884, 23209)]