20013312

素因数分解:

$2^8\times 3^1\times {\mathrm{11}}^1\times {\mathrm{23}}^1\times {\mathrm{103}}^1$

素因数の和:156

約数の個数: 144

約数和(自身を含む): 61221888

約数和(自身を除く): 41208576

約数列:

[1, 2, 3, 4, 6, 8, 11, 12, 16, 22, 23, 24, 32, 33, 44, 46, 48, 64, 66, 69, 88, 92, 96, 103, 128, 132, 138, 176, 184, 192, 206, 253, 256, 264, 276, 309, 352, 368, 384, 412, 506, 528, 552, 618, 704, 736, 759, 768, 824, 1012, 1056, 1104, 1133, 1236, 1408, 1472, 1518, 1648, 2024, 2112, 2208, 2266, 2369, 2472, 2816, 2944, 3036, 3296, 3399, 4048, 4224, 4416, 4532, 4738, 4944, 5888, 6072, 6592, 6798, 7107, 8096, 8448, 8832, 9064, 9476, 9888, 12144, 13184, 13596, 14214, 16192, 17664, 18128, 18952, 19776, 24288, 26059, 26368, 27192, 28428, 32384, 36256, 37904, 39552, 48576, 52118, 54384, 56856, 64768, 72512, 75808, 78177, 79104, 97152, 104236, 108768, 113712, 145024, 151616, 156354, 194304, 208472, 217536, 227424, 290048, 303232, 312708, 416944, 435072, 454848, 606464, 625416, 833888, 870144, 909696, 1250832, 1667776, 1819392, 2501664, 3335552, 5003328, 6671104, 10006656, 20013312]

約数ペア:

[(1, 20013312), (2, 10006656), (3, 6671104), (4, 5003328), (6, 3335552), (8, 2501664), (11, 1819392), (12, 1667776), (16, 1250832), (22, 909696), (23, 870144), (24, 833888), (32, 625416), (33, 606464), (44, 454848), (46, 435072), (48, 416944), (64, 312708), (66, 303232), (69, 290048), (88, 227424), (92, 217536), (96, 208472), (103, 194304), (128, 156354), (132, 151616), (138, 145024), (176, 113712), (184, 108768), (192, 104236), (206, 97152), (253, 79104), (256, 78177), (264, 75808), (276, 72512), (309, 64768), (352, 56856), (368, 54384), (384, 52118), (412, 48576), (506, 39552), (528, 37904), (552, 36256), (618, 32384), (704, 28428), (736, 27192), (759, 26368), (768, 26059), (824, 24288), (1012, 19776), (1056, 18952), (1104, 18128), (1133, 17664), (1236, 16192), (1408, 14214), (1472, 13596), (1518, 13184), (1648, 12144), (2024, 9888), (2112, 9476), (2208, 9064), (2266, 8832), (2369, 8448), (2472, 8096), (2816, 7107), (2944, 6798), (3036, 6592), (3296, 6072), (3399, 5888), (4048, 4944), (4224, 4738), (4416, 4532)]