20740014

素因数分解:

$2^1\times 3^2\times {\mathrm{41}}^1\times {\mathrm{157}}^1\times {\mathrm{179}}^1$

素因数の和:385

約数の個数: 48

約数和(自身を含む): 46584720

約数和(自身を除く): 25844706

約数列:

[1, 2, 3, 6, 9, 18, 41, 82, 123, 157, 179, 246, 314, 358, 369, 471, 537, 738, 942, 1074, 1413, 1611, 2826, 3222, 6437, 7339, 12874, 14678, 19311, 22017, 28103, 38622, 44034, 56206, 57933, 66051, 84309, 115866, 132102, 168618, 252927, 505854, 1152223, 2304446, 3456669, 6913338, 10370007, 20740014]

約数ペア:

[(1, 20740014), (2, 10370007), (3, 6913338), (6, 3456669), (9, 2304446), (18, 1152223), (41, 505854), (82, 252927), (123, 168618), (157, 132102), (179, 115866), (246, 84309), (314, 66051), (358, 57933), (369, 56206), (471, 44034), (537, 38622), (738, 28103), (942, 22017), (1074, 19311), (1413, 14678), (1611, 12874), (2826, 7339), (3222, 6437)]