20320794

素因数分解:

$2^1\times 3^4\times {\mathrm{13}}^1\times {\mathrm{9649}}^1$

素因数の和:9676

約数の個数: 40

約数和(自身を含む): 49041300

約数和(自身を除く): 28720506

約数列:

[1, 2, 3, 6, 9, 13, 18, 26, 27, 39, 54, 78, 81, 117, 162, 234, 351, 702, 1053, 2106, 9649, 19298, 28947, 57894, 86841, 125437, 173682, 250874, 260523, 376311, 521046, 752622, 781569, 1128933, 1563138, 2257866, 3386799, 6773598, 10160397, 20320794]

約数ペア:

[(1, 20320794), (2, 10160397), (3, 6773598), (6, 3386799), (9, 2257866), (13, 1563138), (18, 1128933), (26, 781569), (27, 752622), (39, 521046), (54, 376311), (78, 260523), (81, 250874), (117, 173682), (162, 125437), (234, 86841), (351, 57894), (702, 28947), (1053, 19298), (2106, 9649)]