20406282

素因数分解:

$2^1\times 3^1\times {\mathrm{13}}^1\times {\mathrm{261619}}^1$

素因数の和:261637

約数の個数: 16

約数和(自身を含む): 43952160

約数和(自身を除く): 23545878

約数列:

[1, 2, 3, 6, 13, 26, 39, 78, 261619, 523238, 784857, 1569714, 3401047, 6802094, 10203141, 20406282]

約数ペア:

[(1, 20406282), (2, 10203141), (3, 6802094), (6, 3401047), (13, 1569714), (26, 784857), (39, 523238), (78, 261619)]