20173814188

素因数分解:

$2^2\times {\mathrm{11}}^1\times {\mathrm{23}}^1\times {\mathrm{71}}^1\times {\mathrm{280769}}^1$

素因数の和:280878

約数の個数: 48

約数和(自身を含む): 40754327040

約数和(自身を除く): 20580512852

約数列:

[1, 2, 4, 11, 22, 23, 44, 46, 71, 92, 142, 253, 284, 506, 781, 1012, 1562, 1633, 3124, 3266, 6532, 17963, 35926, 71852, 280769, 561538, 1123076, 3088459, 6176918, 6457687, 12353836, 12915374, 19934599, 25830748, 39869198, 71034557, 79738396, 142069114, 219280589, 284138228, 438561178, 458495777, 877122356, 916991554, 1833983108, 5043453547, 10086907094, 20173814188]

約数ペア:

[(1, 20173814188), (2, 10086907094), (4, 5043453547), (11, 1833983108), (22, 916991554), (23, 877122356), (44, 458495777), (46, 438561178), (71, 284138228), (92, 219280589), (142, 142069114), (253, 79738396), (284, 71034557), (506, 39869198), (781, 25830748), (1012, 19934599), (1562, 12915374), (1633, 12353836), (3124, 6457687), (3266, 6176918), (6532, 3088459), (17963, 1123076), (35926, 561538), (71852, 280769)]