16720580

素因数分解:

$2^2\times 5^1\times {\mathrm{241}}^1\times {\mathrm{3469}}^1$

素因数の和:3719

約数の個数: 24

約数和(自身を含む): 35269080

約数和(自身を除く): 18548500

約数列:

[1, 2, 4, 5, 10, 20, 241, 482, 964, 1205, 2410, 3469, 4820, 6938, 13876, 17345, 34690, 69380, 836029, 1672058, 3344116, 4180145, 8360290, 16720580]

約数ペア:

[(1, 16720580), (2, 8360290), (4, 4180145), (5, 3344116), (10, 1672058), (20, 836029), (241, 69380), (482, 34690), (964, 17345), (1205, 13876), (2410, 6938), (3469, 4820)]