20115654

素因数分解:

$2^1\times 3^1\times {\mathrm{13}}^1\times {\mathrm{257893}}^1$

素因数の和:257911

約数の個数: 16

約数和(自身を含む): 43326192

約数和(自身を除く): 23210538

約数列:

[1, 2, 3, 6, 13, 26, 39, 78, 257893, 515786, 773679, 1547358, 3352609, 6705218, 10057827, 20115654]

約数ペア:

[(1, 20115654), (2, 10057827), (3, 6705218), (6, 3352609), (13, 1547358), (26, 773679), (39, 515786), (78, 257893)]