20398224

素因数分解:

$2^4\times 3^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{5519}}^1$

素因数の和:5548

約数の個数: 80

約数和(自身を含む): 65710080

約数和(自身を除く): 45311856

約数列:

[1, 2, 3, 4, 6, 7, 8, 11, 12, 14, 16, 21, 22, 24, 28, 33, 42, 44, 48, 56, 66, 77, 84, 88, 112, 132, 154, 168, 176, 231, 264, 308, 336, 462, 528, 616, 924, 1232, 1848, 3696, 5519, 11038, 16557, 22076, 33114, 38633, 44152, 60709, 66228, 77266, 88304, 115899, 121418, 132456, 154532, 182127, 231798, 242836, 264912, 309064, 364254, 424963, 463596, 485672, 618128, 728508, 849926, 927192, 971344, 1274889, 1457016, 1699852, 1854384, 2549778, 2914032, 3399704, 5099556, 6799408, 10199112, 20398224]

約数ペア:

[(1, 20398224), (2, 10199112), (3, 6799408), (4, 5099556), (6, 3399704), (7, 2914032), (8, 2549778), (11, 1854384), (12, 1699852), (14, 1457016), (16, 1274889), (21, 971344), (22, 927192), (24, 849926), (28, 728508), (33, 618128), (42, 485672), (44, 463596), (48, 424963), (56, 364254), (66, 309064), (77, 264912), (84, 242836), (88, 231798), (112, 182127), (132, 154532), (154, 132456), (168, 121418), (176, 115899), (231, 88304), (264, 77266), (308, 66228), (336, 60709), (462, 44152), (528, 38633), (616, 33114), (924, 22076), (1232, 16557), (1848, 11038), (3696, 5519)]