20137575381

素因数分解:

$3^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{73}}^1\times {\mathrm{601}}^1\times {\mathrm{1987}}^1$

素因数の和:2682

約数の個数: 64

約数和(自身を含む): 34007586816

約数和(自身を除く): 13870011435

約数列:

[1, 3, 7, 11, 21, 33, 73, 77, 219, 231, 511, 601, 803, 1533, 1803, 1987, 2409, 4207, 5621, 5961, 6611, 12621, 13909, 16863, 19833, 21857, 41727, 43873, 46277, 65571, 131619, 138831, 145051, 152999, 307111, 435153, 458997, 482603, 921333, 1015357, 1194187, 1447809, 1595561, 3046071, 3378221, 3582561, 4786683, 8359309, 10134663, 11168927, 13136057, 25077927, 33506781, 39408171, 87175651, 91952399, 261526953, 275857197, 610229557, 958932161, 1830688671, 2876796483, 6712525127, 20137575381]

約数ペア:

[(1, 20137575381), (3, 6712525127), (7, 2876796483), (11, 1830688671), (21, 958932161), (33, 610229557), (73, 275857197), (77, 261526953), (219, 91952399), (231, 87175651), (511, 39408171), (601, 33506781), (803, 25077927), (1533, 13136057), (1803, 11168927), (1987, 10134663), (2409, 8359309), (4207, 4786683), (5621, 3582561), (5961, 3378221), (6611, 3046071), (12621, 1595561), (13909, 1447809), (16863, 1194187), (19833, 1015357), (21857, 921333), (41727, 482603), (43873, 458997), (46277, 435153), (65571, 307111), (131619, 152999), (138831, 145051)]