20702061

素因数分解:

$3^4\times {\mathrm{131}}^1\times {\mathrm{1951}}^1$

素因数の和:2094

約数の個数: 20

約数和(自身を含む): 31177344

約数和(自身を除く): 10475283

約数列:

[1, 3, 9, 27, 81, 131, 393, 1179, 1951, 3537, 5853, 10611, 17559, 52677, 158031, 255581, 766743, 2300229, 6900687, 20702061]

約数ペア:

[(1, 20702061), (3, 6900687), (9, 2300229), (27, 766743), (81, 255581), (131, 158031), (393, 52677), (1179, 17559), (1951, 10611), (3537, 5853)]