20806345872

素因数分解:

$2^4\times 3^2\times {\mathrm{13}}^1\times {\mathrm{157}}^1\times {\mathrm{70793}}^1$

素因数の和:70977

約数の個数: 120

約数和(自身を含む): 63108320184

約数和(自身を除く): 42301974312

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, 157, 208, 234, 312, 314, 468, 471, 624, 628, 936, 942, 1256, 1413, 1872, 1884, 2041, 2512, 2826, 3768, 4082, 5652, 6123, 7536, 8164, 11304, 12246, 16328, 18369, 22608, 24492, 32656, 36738, 48984, 70793, 73476, 97968, 141586, 146952, 212379, 283172, 293904, 424758, 566344, 637137, 849516, 920309, 1132688, 1274274, 1699032, 1840618, 2548548, 2760927, 3398064, 3681236, 5097096, 5521854, 7362472, 8282781, 10194192, 11043708, 11114501, 14724944, 16565562, 22087416, 22229002, 33131124, 33343503, 44174832, 44458004, 66262248, 66687006, 88916008, 100030509, 132524496, 133374012, 144488513, 177832016, 200061018, 266748024, 288977026, 400122036, 433465539, 533496048, 577954052, 800244072, 866931078, 1155908104, 1300396617, 1600488144, 1733862156, 2311816208, 2600793234, 3467724312, 5201586468, 6935448624, 10403172936, 20806345872]

約数ペア:

[(1, 20806345872), (2, 10403172936), (3, 6935448624), (4, 5201586468), (6, 3467724312), (8, 2600793234), (9, 2311816208), (12, 1733862156), (13, 1600488144), (16, 1300396617), (18, 1155908104), (24, 866931078), (26, 800244072), (36, 577954052), (39, 533496048), (48, 433465539), (52, 400122036), (72, 288977026), (78, 266748024), (104, 200061018), (117, 177832016), (144, 144488513), (156, 133374012), (157, 132524496), (208, 100030509), (234, 88916008), (312, 66687006), (314, 66262248), (468, 44458004), (471, 44174832), (624, 33343503), (628, 33131124), (936, 22229002), (942, 22087416), (1256, 16565562), (1413, 14724944), (1872, 11114501), (1884, 11043708), (2041, 10194192), (2512, 8282781), (2826, 7362472), (3768, 5521854), (4082, 5097096), (5652, 3681236), (6123, 3398064), (7536, 2760927), (8164, 2548548), (11304, 1840618), (12246, 1699032), (16328, 1274274), (18369, 1132688), (22608, 920309), (24492, 849516), (32656, 637137), (36738, 566344), (48984, 424758), (70793, 293904), (73476, 283172), (97968, 212379), (141586, 146952)]