20704486

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{503}}^1\times {\mathrm{1871}}^1$

素因数の和:2387

約数の個数: 16

約数和(自身を含む): 33965568

約数和(自身を除く): 13261082

約数列:

[1, 2, 11, 22, 503, 1006, 1871, 3742, 5533, 11066, 20581, 41162, 941113, 1882226, 10352243, 20704486]

約数ペア:

[(1, 20704486), (2, 10352243), (11, 1882226), (22, 941113), (503, 41162), (1006, 20581), (1871, 11066), (3742, 5533)]