20529288

素因数分解:

$2^3\times 3^4\times {\mathrm{13}}^1\times {\mathrm{2437}}^1$

素因数の和:2468

約数の個数: 80

約数和(自身を含む): 61949580

約数和(自身を除く): 41420292

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 13, 18, 24, 26, 27, 36, 39, 52, 54, 72, 78, 81, 104, 108, 117, 156, 162, 216, 234, 312, 324, 351, 468, 648, 702, 936, 1053, 1404, 2106, 2437, 2808, 4212, 4874, 7311, 8424, 9748, 14622, 19496, 21933, 29244, 31681, 43866, 58488, 63362, 65799, 87732, 95043, 126724, 131598, 175464, 190086, 197397, 253448, 263196, 285129, 380172, 394794, 526392, 570258, 760344, 789588, 855387, 1140516, 1579176, 1710774, 2281032, 2566161, 3421548, 5132322, 6843096, 10264644, 20529288]

約数ペア:

[(1, 20529288), (2, 10264644), (3, 6843096), (4, 5132322), (6, 3421548), (8, 2566161), (9, 2281032), (12, 1710774), (13, 1579176), (18, 1140516), (24, 855387), (26, 789588), (27, 760344), (36, 570258), (39, 526392), (52, 394794), (54, 380172), (72, 285129), (78, 263196), (81, 253448), (104, 197397), (108, 190086), (117, 175464), (156, 131598), (162, 126724), (216, 95043), (234, 87732), (312, 65799), (324, 63362), (351, 58488), (468, 43866), (648, 31681), (702, 29244), (936, 21933), (1053, 19496), (1404, 14622), (2106, 9748), (2437, 8424), (2808, 7311), (4212, 4874)]