20199289517

素因数分解:

${\mathrm{11}}^2\times {\mathrm{17}}^1\times {\mathrm{23}}^1\times {\mathrm{43}}^1\times {\mathrm{9929}}^1$

素因数の和:10034

約数の個数: 48

約数和(自身を含む): 25103675520

約数和(自身を除く): 4904386003

約数列:

[1, 11, 17, 23, 43, 121, 187, 253, 391, 473, 731, 989, 2057, 2783, 4301, 5203, 8041, 9929, 10879, 16813, 47311, 88451, 109219, 119669, 168793, 184943, 228367, 426947, 1201409, 1856723, 2034373, 2512037, 3882239, 4696417, 7258099, 9819781, 20423953, 27632407, 42704629, 51660587, 79839089, 108017591, 166936277, 469750919, 878229979, 1188193501, 1836299047, 20199289517]

約数ペア:

[(1, 20199289517), (11, 1836299047), (17, 1188193501), (23, 878229979), (43, 469750919), (121, 166936277), (187, 108017591), (253, 79839089), (391, 51660587), (473, 42704629), (731, 27632407), (989, 20423953), (2057, 9819781), (2783, 7258099), (4301, 4696417), (5203, 3882239), (8041, 2512037), (9929, 2034373), (10879, 1856723), (16813, 1201409), (47311, 426947), (88451, 228367), (109219, 184943), (119669, 168793)]