20186851293

素因数分解:

$3^3\times 7^2\times {\mathrm{97}}^1\times {\mathrm{157303}}^1$

素因数の和:157423

約数の個数: 48

約数和(自身を含む): 35148005760

約数和(自身を除く): 14961154467

約数列:

[1, 3, 7, 9, 21, 27, 49, 63, 97, 147, 189, 291, 441, 679, 873, 1323, 2037, 2619, 4753, 6111, 14259, 18333, 42777, 128331, 157303, 471909, 1101121, 1415727, 3303363, 4247181, 7707847, 9910089, 15258391, 23123541, 29730267, 45775173, 69370623, 106808737, 137325519, 208111869, 320426211, 411976557, 747661159, 961278633, 2242983477, 2883835899, 6728950431, 20186851293]

約数ペア:

[(1, 20186851293), (3, 6728950431), (7, 2883835899), (9, 2242983477), (21, 961278633), (27, 747661159), (49, 411976557), (63, 320426211), (97, 208111869), (147, 137325519), (189, 106808737), (291, 69370623), (441, 45775173), (679, 29730267), (873, 23123541), (1323, 15258391), (2037, 9910089), (2619, 7707847), (4753, 4247181), (6111, 3303363), (14259, 1415727), (18333, 1101121), (42777, 471909), (128331, 157303)]