20438356

素因数分解:

$2^2\times {\mathrm{37}}^1\times {\mathrm{197}}^1\times {\mathrm{701}}^1$

素因数の和:939

約数の個数: 24

約数和(自身を含む): 36972936

約数和(自身を除く): 16534580

約数列:

[1, 2, 4, 37, 74, 148, 197, 394, 701, 788, 1402, 2804, 7289, 14578, 25937, 29156, 51874, 103748, 138097, 276194, 552388, 5109589, 10219178, 20438356]

約数ペア:

[(1, 20438356), (2, 10219178), (4, 5109589), (37, 552388), (74, 276194), (148, 138097), (197, 103748), (394, 51874), (701, 29156), (788, 25937), (1402, 14578), (2804, 7289)]