20379138

素因数分解:

$2^1\times 3^1\times {\mathrm{13}}^1\times {\mathrm{261271}}^1$

素因数の和:261289

約数の個数: 16

約数和(自身を含む): 43893696

約数和(自身を除く): 23514558

約数列:

[1, 2, 3, 6, 13, 26, 39, 78, 261271, 522542, 783813, 1567626, 3396523, 6793046, 10189569, 20379138]

約数ペア:

[(1, 20379138), (2, 10189569), (3, 6793046), (6, 3396523), (13, 1567626), (26, 783813), (39, 522542), (78, 261271)]