20790156

素因数分解:

$2^2\times 3^1\times {\mathrm{43}}^2\times {\mathrm{937}}^1$

素因数の和:1030

約数の個数: 36

約数和(自身を含む): 49717752

約数和(自身を除く): 28927596

約数列:

[1, 2, 3, 4, 6, 12, 43, 86, 129, 172, 258, 516, 937, 1849, 1874, 2811, 3698, 3748, 5547, 5622, 7396, 11094, 11244, 22188, 40291, 80582, 120873, 161164, 241746, 483492, 1732513, 3465026, 5197539, 6930052, 10395078, 20790156]

約数ペア:

[(1, 20790156), (2, 10395078), (3, 6930052), (4, 5197539), (6, 3465026), (12, 1732513), (43, 483492), (86, 241746), (129, 161164), (172, 120873), (258, 80582), (516, 40291), (937, 22188), (1849, 11244), (1874, 11094), (2811, 7396), (3698, 5622), (3748, 5547)]