20111255888

素因数分解:

$2^4\times {\mathrm{19}}^1\times {\mathrm{73}}^1\times {\mathrm{557}}^1\times {\mathrm{1627}}^1$

素因数の和:2284

約数の個数: 80

約数和(自身を含む): 41678493120

約数和(自身を除く): 21567237232

約数列:

[1, 2, 4, 8, 16, 19, 38, 73, 76, 146, 152, 292, 304, 557, 584, 1114, 1168, 1387, 1627, 2228, 2774, 3254, 4456, 5548, 6508, 8912, 10583, 11096, 13016, 21166, 22192, 26032, 30913, 40661, 42332, 61826, 81322, 84664, 118771, 123652, 162644, 169328, 237542, 247304, 325288, 475084, 494608, 650576, 772559, 906239, 950168, 1545118, 1812478, 1900336, 2256649, 3090236, 3624956, 4513298, 6180472, 7249912, 9026596, 12360944, 14499824, 17218541, 18053192, 34437082, 36106384, 66155447, 68874164, 132310894, 137748328, 264621788, 275496656, 529243576, 1058487152, 1256953493, 2513906986, 5027813972, 10055627944, 20111255888]

約数ペア:

[(1, 20111255888), (2, 10055627944), (4, 5027813972), (8, 2513906986), (16, 1256953493), (19, 1058487152), (38, 529243576), (73, 275496656), (76, 264621788), (146, 137748328), (152, 132310894), (292, 68874164), (304, 66155447), (557, 36106384), (584, 34437082), (1114, 18053192), (1168, 17218541), (1387, 14499824), (1627, 12360944), (2228, 9026596), (2774, 7249912), (3254, 6180472), (4456, 4513298), (5548, 3624956), (6508, 3090236), (8912, 2256649), (10583, 1900336), (11096, 1812478), (13016, 1545118), (21166, 950168), (22192, 906239), (26032, 772559), (30913, 650576), (40661, 494608), (42332, 475084), (61826, 325288), (81322, 247304), (84664, 237542), (118771, 169328), (123652, 162644)]