220124872

素因数分解:

$2^3\times {\mathrm{11}}^1\times {\mathrm{503}}^1\times {\mathrm{4973}}^1$

素因数の和:5493

約数の個数: 32

約数和(自身を含む): 451241280

約数和(自身を除く): 231116408

約数列:

[1, 2, 4, 8, 11, 22, 44, 88, 503, 1006, 2012, 4024, 4973, 5533, 9946, 11066, 19892, 22132, 39784, 44264, 54703, 109406, 218812, 437624, 2501419, 5002838, 10005676, 20011352, 27515609, 55031218, 110062436, 220124872]

約数ペア:

[(1, 220124872), (2, 110062436), (4, 55031218), (8, 27515609), (11, 20011352), (22, 10005676), (44, 5002838), (88, 2501419), (503, 437624), (1006, 218812), (2012, 109406), (4024, 54703), (4973, 44264), (5533, 39784), (9946, 22132), (11066, 19892)]