20847138

素因数分解:

$2^1\times 3^1\times {\mathrm{13}}^1\times {\mathrm{267271}}^1$

素因数の和:267289

約数の個数: 16

約数和(自身を含む): 44901696

約数和(自身を除く): 24054558

約数列:

[1, 2, 3, 6, 13, 26, 39, 78, 267271, 534542, 801813, 1603626, 3474523, 6949046, 10423569, 20847138]

約数ペア:

[(1, 20847138), (2, 10423569), (3, 6949046), (6, 3474523), (13, 1603626), (26, 801813), (39, 534542), (78, 267271)]