20228721

素因数分解:

$3^1\times {\mathrm{89}}^1\times {\mathrm{239}}^1\times {\mathrm{317}}^1$

素因数の和:648

約数の個数: 16

約数和(自身を含む): 27475200

約数和(自身を除く): 7246479

約数列:

[1, 3, 89, 239, 267, 317, 717, 951, 21271, 28213, 63813, 75763, 84639, 227289, 6742907, 20228721]

約数ペア:

[(1, 20228721), (3, 6742907), (89, 227289), (239, 84639), (267, 75763), (317, 63813), (717, 28213), (951, 21271)]