20539552

素因数分解:

$2^5\times {\mathrm{11}}^1\times {\mathrm{23}}^1\times {\mathrm{43}}^1\times {\mathrm{59}}^1$

素因数の和:146

約数の個数: 96

約数和(自身を含む): 47900160

約数和(自身を除く): 27360608

約数列:

[1, 2, 4, 8, 11, 16, 22, 23, 32, 43, 44, 46, 59, 86, 88, 92, 118, 172, 176, 184, 236, 253, 344, 352, 368, 472, 473, 506, 649, 688, 736, 944, 946, 989, 1012, 1298, 1357, 1376, 1888, 1892, 1978, 2024, 2537, 2596, 2714, 3784, 3956, 4048, 5074, 5192, 5428, 7568, 7912, 8096, 10148, 10384, 10856, 10879, 14927, 15136, 15824, 20296, 20768, 21712, 21758, 27907, 29854, 31648, 40592, 43424, 43516, 55814, 58351, 59708, 81184, 87032, 111628, 116702, 119416, 174064, 223256, 233404, 238832, 348128, 446512, 466808, 477664, 641861, 893024, 933616, 1283722, 1867232, 2567444, 5134888, 10269776, 20539552]

約数ペア:

[(1, 20539552), (2, 10269776), (4, 5134888), (8, 2567444), (11, 1867232), (16, 1283722), (22, 933616), (23, 893024), (32, 641861), (43, 477664), (44, 466808), (46, 446512), (59, 348128), (86, 238832), (88, 233404), (92, 223256), (118, 174064), (172, 119416), (176, 116702), (184, 111628), (236, 87032), (253, 81184), (344, 59708), (352, 58351), (368, 55814), (472, 43516), (473, 43424), (506, 40592), (649, 31648), (688, 29854), (736, 27907), (944, 21758), (946, 21712), (989, 20768), (1012, 20296), (1298, 15824), (1357, 15136), (1376, 14927), (1888, 10879), (1892, 10856), (1978, 10384), (2024, 10148), (2537, 8096), (2596, 7912), (2714, 7568), (3784, 5428), (3956, 5192), (4048, 5074)]