16662260

素因数分解:

$2^2\times 5^1\times {\mathrm{197}}^1\times {\mathrm{4229}}^1$

素因数の和:4435

約数の個数: 24

約数和(自身を含む): 35176680

約数和(自身を除く): 18514420

約数列:

[1, 2, 4, 5, 10, 20, 197, 394, 788, 985, 1970, 3940, 4229, 8458, 16916, 21145, 42290, 84580, 833113, 1666226, 3332452, 4165565, 8331130, 16662260]

約数ペア:

[(1, 16662260), (2, 8331130), (4, 4165565), (5, 3332452), (10, 1666226), (20, 833113), (197, 84580), (394, 42290), (788, 21145), (985, 16916), (1970, 8458), (3940, 4229)]