16806580

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{120047}}^1$

素因数の和:120063

約数の個数: 24

約数和(自身を含む): 40336128

約数和(自身を除く): 23529548

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 120047, 240094, 480188, 600235, 840329, 1200470, 1680658, 2400940, 3361316, 4201645, 8403290, 16806580]

約数ペア:

[(1, 16806580), (2, 8403290), (4, 4201645), (5, 3361316), (7, 2400940), (10, 1680658), (14, 1200470), (20, 840329), (28, 600235), (35, 480188), (70, 240094), (140, 120047)]