20017512

素因数分解:

$2^3\times 3^2\times {\mathrm{41}}^1\times {\mathrm{6781}}^1$

素因数の和:6834

約数の個数: 48

約数和(自身を含む): 55544580

約数和(自身を除く): 35527068

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 18, 24, 36, 41, 72, 82, 123, 164, 246, 328, 369, 492, 738, 984, 1476, 2952, 6781, 13562, 20343, 27124, 40686, 54248, 61029, 81372, 122058, 162744, 244116, 278021, 488232, 556042, 834063, 1112084, 1668126, 2224168, 2502189, 3336252, 5004378, 6672504, 10008756, 20017512]

約数ペア:

[(1, 20017512), (2, 10008756), (3, 6672504), (4, 5004378), (6, 3336252), (8, 2502189), (9, 2224168), (12, 1668126), (18, 1112084), (24, 834063), (36, 556042), (41, 488232), (72, 278021), (82, 244116), (123, 162744), (164, 122058), (246, 81372), (328, 61029), (369, 54248), (492, 40686), (738, 27124), (984, 20343), (1476, 13562), (2952, 6781)]