20470185

素因数分解:

$3^3\times 5^1\times {\mathrm{151631}}^1$

素因数の和:151645

約数の個数: 16

約数和(自身を含む): 36391680

約数和(自身を除く): 15921495

約数列:

[1, 3, 5, 9, 15, 27, 45, 135, 151631, 454893, 758155, 1364679, 2274465, 4094037, 6823395, 20470185]

約数ペア:

[(1, 20470185), (3, 6823395), (5, 4094037), (9, 2274465), (15, 1364679), (27, 758155), (45, 454893), (135, 151631)]