20312578

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{71023}}^1$

素因数の和:71049

約数の個数: 16

約数和(自身を含む): 35796096

約数和(自身を除く): 15483518

約数列:

[1, 2, 11, 13, 22, 26, 143, 286, 71023, 142046, 781253, 923299, 1562506, 1846598, 10156289, 20312578]

約数ペア:

[(1, 20312578), (2, 10156289), (11, 1846598), (13, 1562506), (22, 923299), (26, 781253), (143, 142046), (286, 71023)]