20491302

素因数分解:

$2^1\times 3^1\times {\mathrm{13}}^1\times {\mathrm{262709}}^1$

素因数の和:262727

約数の個数: 16

約数和(自身を含む): 44135280

約数和(自身を除く): 23643978

約数列:

[1, 2, 3, 6, 13, 26, 39, 78, 262709, 525418, 788127, 1576254, 3415217, 6830434, 10245651, 20491302]

約数ペア:

[(1, 20491302), (2, 10245651), (3, 6830434), (6, 3415217), (13, 1576254), (26, 788127), (39, 525418), (78, 262709)]