20147335

素因数分解:

$5^1\times {\mathrm{13}}^2\times {\mathrm{113}}^1\times {\mathrm{211}}^1$

素因数の和:355

約数の個数: 24

約数和(自身を含む): 26536464

約数和(自身を除く): 6389129

約数列:

[1, 5, 13, 65, 113, 169, 211, 565, 845, 1055, 1469, 2743, 7345, 13715, 19097, 23843, 35659, 95485, 119215, 178295, 309959, 1549795, 4029467, 20147335]

約数ペア:

[(1, 20147335), (5, 4029467), (13, 1549795), (65, 309959), (113, 178295), (169, 119215), (211, 95485), (565, 35659), (845, 23843), (1055, 19097), (1469, 13715), (2743, 7345)]