20201490057

素因数分解:

$3^1\times 7^1\times {\mathrm{239}}^1\times {\mathrm{4025003}}^1$

素因数の和:4025252

約数の個数: 16

約数和(自身を含む): 30912030720

約数和(自身を除く): 10710540663

約数列:

[1, 3, 7, 21, 239, 717, 1673, 5019, 4025003, 12075009, 28175021, 84525063, 961975717, 2885927151, 6733830019, 20201490057]

約数ペア:

[(1, 20201490057), (3, 6733830019), (7, 2885927151), (21, 961975717), (239, 84525063), (717, 28175021), (1673, 12075009), (5019, 4025003)]