20546904

素因数分解:

$2^3\times 3^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{41}}^1\times {\mathrm{157}}^1$

素因数の和:233

約数の個数: 128

約数和(自身を含む): 63705600

約数和(自身を除く): 43158696

約数列:

[1, 2, 3, 4, 6, 7, 8, 12, 14, 19, 21, 24, 28, 38, 41, 42, 56, 57, 76, 82, 84, 114, 123, 133, 152, 157, 164, 168, 228, 246, 266, 287, 314, 328, 399, 456, 471, 492, 532, 574, 628, 779, 798, 861, 942, 984, 1064, 1099, 1148, 1256, 1558, 1596, 1722, 1884, 2198, 2296, 2337, 2983, 3116, 3192, 3297, 3444, 3768, 4396, 4674, 5453, 5966, 6232, 6437, 6594, 6888, 8792, 8949, 9348, 10906, 11932, 12874, 13188, 16359, 17898, 18696, 19311, 20881, 21812, 23864, 25748, 26376, 32718, 35796, 38622, 41762, 43624, 45059, 51496, 62643, 65436, 71592, 77244, 83524, 90118, 122303, 125286, 130872, 135177, 154488, 167048, 180236, 244606, 250572, 270354, 360472, 366909, 489212, 501144, 540708, 733818, 856121, 978424, 1081416, 1467636, 1712242, 2568363, 2935272, 3424484, 5136726, 6848968, 10273452, 20546904]

約数ペア:

[(1, 20546904), (2, 10273452), (3, 6848968), (4, 5136726), (6, 3424484), (7, 2935272), (8, 2568363), (12, 1712242), (14, 1467636), (19, 1081416), (21, 978424), (24, 856121), (28, 733818), (38, 540708), (41, 501144), (42, 489212), (56, 366909), (57, 360472), (76, 270354), (82, 250572), (84, 244606), (114, 180236), (123, 167048), (133, 154488), (152, 135177), (157, 130872), (164, 125286), (168, 122303), (228, 90118), (246, 83524), (266, 77244), (287, 71592), (314, 65436), (328, 62643), (399, 51496), (456, 45059), (471, 43624), (492, 41762), (532, 38622), (574, 35796), (628, 32718), (779, 26376), (798, 25748), (861, 23864), (942, 21812), (984, 20881), (1064, 19311), (1099, 18696), (1148, 17898), (1256, 16359), (1558, 13188), (1596, 12874), (1722, 11932), (1884, 10906), (2198, 9348), (2296, 8949), (2337, 8792), (2983, 6888), (3116, 6594), (3192, 6437), (3297, 6232), (3444, 5966), (3768, 5453), (4396, 4674)]