20215991488

素因数分解:

$2^6\times 7^1\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{215909}}^1$

素因数の和:215958

約数の個数: 112

約数和(自身を含む): 52647494400

約数和(自身を除く): 32431502912

約数列:

[1, 2, 4, 7, 8, 11, 14, 16, 19, 22, 28, 32, 38, 44, 56, 64, 76, 77, 88, 112, 133, 152, 154, 176, 209, 224, 266, 304, 308, 352, 418, 448, 532, 608, 616, 704, 836, 1064, 1216, 1232, 1463, 1672, 2128, 2464, 2926, 3344, 4256, 4928, 5852, 6688, 8512, 11704, 13376, 23408, 46816, 93632, 215909, 431818, 863636, 1511363, 1727272, 2374999, 3022726, 3454544, 4102271, 4749998, 6045452, 6909088, 8204542, 9499996, 12090904, 13818176, 16409084, 16624993, 18999992, 24181808, 28715897, 32818168, 33249986, 37999984, 45124981, 48363616, 57431794, 65636336, 66499972, 75999968, 90249962, 96727232, 114863588, 131272672, 132999944, 151999936, 180499924, 229727176, 262545344, 265999888, 315874867, 360999848, 459454352, 531999776, 631749734, 721999696, 918908704, 1063999552, 1263499468, 1443999392, 1837817408, 2526998936, 2887998784, 5053997872, 10107995744, 20215991488]

約数ペア:

[(1, 20215991488), (2, 10107995744), (4, 5053997872), (7, 2887998784), (8, 2526998936), (11, 1837817408), (14, 1443999392), (16, 1263499468), (19, 1063999552), (22, 918908704), (28, 721999696), (32, 631749734), (38, 531999776), (44, 459454352), (56, 360999848), (64, 315874867), (76, 265999888), (77, 262545344), (88, 229727176), (112, 180499924), (133, 151999936), (152, 132999944), (154, 131272672), (176, 114863588), (209, 96727232), (224, 90249962), (266, 75999968), (304, 66499972), (308, 65636336), (352, 57431794), (418, 48363616), (448, 45124981), (532, 37999984), (608, 33249986), (616, 32818168), (704, 28715897), (836, 24181808), (1064, 18999992), (1216, 16624993), (1232, 16409084), (1463, 13818176), (1672, 12090904), (2128, 9499996), (2464, 8204542), (2926, 6909088), (3344, 6045452), (4256, 4749998), (4928, 4102271), (5852, 3454544), (6688, 3022726), (8512, 2374999), (11704, 1727272), (13376, 1511363), (23408, 863636), (46816, 431818), (93632, 215909)]