20667218

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{127}}^1\times {\mathrm{569}}^1$

素因数の和:722

約数の個数: 32

約数和(自身を含む): 36771840

約数和(自身を除く): 16104622

約数列:

[1, 2, 11, 13, 22, 26, 127, 143, 254, 286, 569, 1138, 1397, 1651, 2794, 3302, 6259, 7397, 12518, 14794, 18161, 36322, 72263, 81367, 144526, 162734, 794893, 939419, 1589786, 1878838, 10333609, 20667218]

約数ペア:

[(1, 20667218), (2, 10333609), (11, 1878838), (13, 1589786), (22, 939419), (26, 794893), (127, 162734), (143, 144526), (254, 81367), (286, 72263), (569, 36322), (1138, 18161), (1397, 14794), (1651, 12518), (2794, 7397), (3302, 6259)]