20553764

素因数分解:

$2^2\times 7^1\times {\mathrm{11}}^1\times {\mathrm{66733}}^1$

素因数の和:66755

約数の個数: 24

約数和(自身を含む): 44845248

約数和(自身を除く): 24291484

約数列:

[1, 2, 4, 7, 11, 14, 22, 28, 44, 77, 154, 308, 66733, 133466, 266932, 467131, 734063, 934262, 1468126, 1868524, 2936252, 5138441, 10276882, 20553764]

約数ペア:

[(1, 20553764), (2, 10276882), (4, 5138441), (7, 2936252), (11, 1868524), (14, 1468126), (22, 934262), (28, 734063), (44, 467131), (77, 266932), (154, 133466), (308, 66733)]