20687124

素因数分解:

$2^2\times 3^1\times {\mathrm{19}}^1\times {\mathrm{41}}^1\times {\mathrm{2213}}^1$

素因数の和:2280

約数の個数: 48

約数和(自身を含む): 52073280

約数和(自身を除く): 31386156

約数列:

[1, 2, 3, 4, 6, 12, 19, 38, 41, 57, 76, 82, 114, 123, 164, 228, 246, 492, 779, 1558, 2213, 2337, 3116, 4426, 4674, 6639, 8852, 9348, 13278, 26556, 42047, 84094, 90733, 126141, 168188, 181466, 252282, 272199, 362932, 504564, 544398, 1088796, 1723927, 3447854, 5171781, 6895708, 10343562, 20687124]

約数ペア:

[(1, 20687124), (2, 10343562), (3, 6895708), (4, 5171781), (6, 3447854), (12, 1723927), (19, 1088796), (38, 544398), (41, 504564), (57, 362932), (76, 272199), (82, 252282), (114, 181466), (123, 168188), (164, 126141), (228, 90733), (246, 84094), (492, 42047), (779, 26556), (1558, 13278), (2213, 9348), (2337, 8852), (3116, 6639), (4426, 4674)]