20578896

素因数分解:

$2^4\times 3^2\times {\mathrm{13}}^1\times {\mathrm{10993}}^1$

素因数の和:11020

約数の個数: 60

約数和(自身を含む): 62028148

約数和(自身を除く): 41449252

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 13, 16, 18, 24, 26, 36, 39, 48, 52, 72, 78, 104, 117, 144, 156, 208, 234, 312, 468, 624, 936, 1872, 10993, 21986, 32979, 43972, 65958, 87944, 98937, 131916, 142909, 175888, 197874, 263832, 285818, 395748, 428727, 527664, 571636, 791496, 857454, 1143272, 1286181, 1582992, 1714908, 2286544, 2572362, 3429816, 5144724, 6859632, 10289448, 20578896]

約数ペア:

[(1, 20578896), (2, 10289448), (3, 6859632), (4, 5144724), (6, 3429816), (8, 2572362), (9, 2286544), (12, 1714908), (13, 1582992), (16, 1286181), (18, 1143272), (24, 857454), (26, 791496), (36, 571636), (39, 527664), (48, 428727), (52, 395748), (72, 285818), (78, 263832), (104, 197874), (117, 175888), (144, 142909), (156, 131916), (208, 98937), (234, 87944), (312, 65958), (468, 43972), (624, 32979), (936, 21986), (1872, 10993)]