20747584

素因数分解:

$2^6\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{2267}}^1$

素因数の和:2303

約数の個数: 56

約数和(自身を含む): 48390048

約数和(自身を除く): 27642464

約数列:

[1, 2, 4, 8, 11, 13, 16, 22, 26, 32, 44, 52, 64, 88, 104, 143, 176, 208, 286, 352, 416, 572, 704, 832, 1144, 2267, 2288, 4534, 4576, 9068, 9152, 18136, 24937, 29471, 36272, 49874, 58942, 72544, 99748, 117884, 145088, 199496, 235768, 324181, 398992, 471536, 648362, 797984, 943072, 1296724, 1595968, 1886144, 2593448, 5186896, 10373792, 20747584]

約数ペア:

[(1, 20747584), (2, 10373792), (4, 5186896), (8, 2593448), (11, 1886144), (13, 1595968), (16, 1296724), (22, 943072), (26, 797984), (32, 648362), (44, 471536), (52, 398992), (64, 324181), (88, 235768), (104, 199496), (143, 145088), (176, 117884), (208, 99748), (286, 72544), (352, 58942), (416, 49874), (572, 36272), (704, 29471), (832, 24937), (1144, 18136), (2267, 9152), (2288, 9068), (4534, 4576)]