16661620

素因数分解:

$2^2\times 5^1\times {\mathrm{547}}^1\times {\mathrm{1523}}^1$

素因数の和:2079

約数の個数: 24

約数和(自身を含む): 35076384

約数和(自身を除く): 18414764

約数列:

[1, 2, 4, 5, 10, 20, 547, 1094, 1523, 2188, 2735, 3046, 5470, 6092, 7615, 10940, 15230, 30460, 833081, 1666162, 3332324, 4165405, 8330810, 16661620]

約数ペア:

[(1, 16661620), (2, 8330810), (4, 4165405), (5, 3332324), (10, 1666162), (20, 833081), (547, 30460), (1094, 15230), (1523, 10940), (2188, 7615), (2735, 6092), (3046, 5470)]