20365188

素因数分解:

$2^2\times 3^1\times {\mathrm{19}}^1\times {\mathrm{179}}^1\times {\mathrm{499}}^1$

素因数の和:704

約数の個数: 48

約数和(自身を含む): 50400000

約数和(自身を除く): 30034812

約数列:

[1, 2, 3, 4, 6, 12, 19, 38, 57, 76, 114, 179, 228, 358, 499, 537, 716, 998, 1074, 1497, 1996, 2148, 2994, 3401, 5988, 6802, 9481, 10203, 13604, 18962, 20406, 28443, 37924, 40812, 56886, 89321, 113772, 178642, 267963, 357284, 535926, 1071852, 1697099, 3394198, 5091297, 6788396, 10182594, 20365188]

約数ペア:

[(1, 20365188), (2, 10182594), (3, 6788396), (4, 5091297), (6, 3394198), (12, 1697099), (19, 1071852), (38, 535926), (57, 357284), (76, 267963), (114, 178642), (179, 113772), (228, 89321), (358, 56886), (499, 40812), (537, 37924), (716, 28443), (998, 20406), (1074, 18962), (1497, 13604), (1996, 10203), (2148, 9481), (2994, 6802), (3401, 5988)]