20489157

素因数分解:

$3^2\times {\mathrm{13}}^1\times {\mathrm{37}}^1\times {\mathrm{4733}}^1$

素因数の和:4789

約数の個数: 24

約数和(自身を含む): 32740344

約数和(自身を除く): 12251187

約数列:

[1, 3, 9, 13, 37, 39, 111, 117, 333, 481, 1443, 4329, 4733, 14199, 42597, 61529, 175121, 184587, 525363, 553761, 1576089, 2276573, 6829719, 20489157]

約数ペア:

[(1, 20489157), (3, 6829719), (9, 2276573), (13, 1576089), (37, 553761), (39, 525363), (111, 184587), (117, 175121), (333, 61529), (481, 42597), (1443, 14199), (4329, 4733)]