20809504

素因数分解:

$2^5\times {\mathrm{197}}^1\times {\mathrm{3301}}^1$

素因数の和:3508

約数の個数: 24

約数和(自身を含む): 41189148

約数和(自身を除く): 20379644

約数列:

[1, 2, 4, 8, 16, 32, 197, 394, 788, 1576, 3152, 3301, 6304, 6602, 13204, 26408, 52816, 105632, 650297, 1300594, 2601188, 5202376, 10404752, 20809504]

約数ペア:

[(1, 20809504), (2, 10404752), (4, 5202376), (8, 2601188), (16, 1300594), (32, 650297), (197, 105632), (394, 52816), (788, 26408), (1576, 13204), (3152, 6602), (3301, 6304)]