20136556

素因数分解:

$2^2\times {\mathrm{11}}^1\times {\mathrm{29}}^1\times {\mathrm{43}}^1\times {\mathrm{367}}^1$

素因数の和:454

約数の個数: 48

約数和(自身を含む): 40803840

約数和(自身を除く): 20667284

約数列:

[1, 2, 4, 11, 22, 29, 43, 44, 58, 86, 116, 172, 319, 367, 473, 638, 734, 946, 1247, 1276, 1468, 1892, 2494, 4037, 4988, 8074, 10643, 13717, 15781, 16148, 21286, 27434, 31562, 42572, 54868, 63124, 117073, 173591, 234146, 347182, 457649, 468292, 694364, 915298, 1830596, 5034139, 10068278, 20136556]

約数ペア:

[(1, 20136556), (2, 10068278), (4, 5034139), (11, 1830596), (22, 915298), (29, 694364), (43, 468292), (44, 457649), (58, 347182), (86, 234146), (116, 173591), (172, 117073), (319, 63124), (367, 54868), (473, 42572), (638, 31562), (734, 27434), (946, 21286), (1247, 16148), (1276, 15781), (1468, 13717), (1892, 10643), (2494, 8074), (4037, 4988)]