20469021

素因数分解:

$3^1\times {\mathrm{31}}^1\times {\mathrm{89}}^1\times {\mathrm{2473}}^1$

素因数の和:2596

約数の個数: 16

約数和(自身を含む): 28500480

約数和(自身を除く): 8031459

約数列:

[1, 3, 31, 89, 93, 267, 2473, 2759, 7419, 8277, 76663, 220097, 229989, 660291, 6823007, 20469021]

約数ペア:

[(1, 20469021), (3, 6823007), (31, 660291), (89, 229989), (93, 220097), (267, 76663), (2473, 8277), (2759, 7419)]