20400534

素因数分解:

$2^1\times 3^2\times 7^1\times {\mathrm{11}}^1\times {\mathrm{41}}^1\times {\mathrm{359}}^1$

素因数の和:426

約数の個数: 96

約数和(自身を含む): 56609280

約数和(自身を除く): 36208746

約数列:

[1, 2, 3, 6, 7, 9, 11, 14, 18, 21, 22, 33, 41, 42, 63, 66, 77, 82, 99, 123, 126, 154, 198, 231, 246, 287, 359, 369, 451, 462, 574, 693, 718, 738, 861, 902, 1077, 1353, 1386, 1722, 2154, 2513, 2583, 2706, 3157, 3231, 3949, 4059, 5026, 5166, 6314, 6462, 7539, 7898, 8118, 9471, 11847, 14719, 15078, 18942, 22617, 23694, 27643, 28413, 29438, 35541, 44157, 45234, 55286, 56826, 71082, 82929, 88314, 103033, 132471, 161909, 165858, 206066, 248787, 264942, 309099, 323818, 485727, 497574, 618198, 927297, 971454, 1133363, 1457181, 1854594, 2266726, 2914362, 3400089, 6800178, 10200267, 20400534]

約数ペア:

[(1, 20400534), (2, 10200267), (3, 6800178), (6, 3400089), (7, 2914362), (9, 2266726), (11, 1854594), (14, 1457181), (18, 1133363), (21, 971454), (22, 927297), (33, 618198), (41, 497574), (42, 485727), (63, 323818), (66, 309099), (77, 264942), (82, 248787), (99, 206066), (123, 165858), (126, 161909), (154, 132471), (198, 103033), (231, 88314), (246, 82929), (287, 71082), (359, 56826), (369, 55286), (451, 45234), (462, 44157), (574, 35541), (693, 29438), (718, 28413), (738, 27643), (861, 23694), (902, 22617), (1077, 18942), (1353, 15078), (1386, 14719), (1722, 11847), (2154, 9471), (2513, 8118), (2583, 7898), (2706, 7539), (3157, 6462), (3231, 6314), (3949, 5166), (4059, 5026)]