20790403916

素因数分解:

$2^2\times {\mathrm{53}}^1\times {\mathrm{89}}^1\times {\mathrm{661}}^1\times {\mathrm{1667}}^1$

素因数の和:2474

約数の個数: 48

約数和(自身を含む): 37565428320

約数和(自身を除く): 16775024404

約数列:

[1, 2, 4, 53, 89, 106, 178, 212, 356, 661, 1322, 1667, 2644, 3334, 4717, 6668, 9434, 18868, 35033, 58829, 70066, 88351, 117658, 140132, 148363, 176702, 235316, 296726, 353404, 593452, 1101887, 2203774, 3117937, 4407548, 6235874, 7863239, 12471748, 15726478, 31452956, 58400011, 98067943, 116800022, 196135886, 233600044, 392271772, 5197600979, 10395201958, 20790403916]

約数ペア:

[(1, 20790403916), (2, 10395201958), (4, 5197600979), (53, 392271772), (89, 233600044), (106, 196135886), (178, 116800022), (212, 98067943), (356, 58400011), (661, 31452956), (1322, 15726478), (1667, 12471748), (2644, 7863239), (3334, 6235874), (4717, 4407548), (6668, 3117937), (9434, 2203774), (18868, 1101887), (35033, 593452), (58829, 353404), (70066, 296726), (88351, 235316), (117658, 176702), (140132, 148363)]