20668592

素因数分解:

$2^4\times 7^2\times {\mathrm{41}}^1\times {\mathrm{643}}^1$

素因数の和:706

約数の個数: 60

約数和(自身を含む): 47793816

約数和(自身を除く): 27125224

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 41, 49, 56, 82, 98, 112, 164, 196, 287, 328, 392, 574, 643, 656, 784, 1148, 1286, 2009, 2296, 2572, 4018, 4501, 4592, 5144, 8036, 9002, 10288, 16072, 18004, 26363, 31507, 32144, 36008, 52726, 63014, 72016, 105452, 126028, 184541, 210904, 252056, 369082, 421808, 504112, 738164, 1291787, 1476328, 2583574, 2952656, 5167148, 10334296, 20668592]

約数ペア:

[(1, 20668592), (2, 10334296), (4, 5167148), (7, 2952656), (8, 2583574), (14, 1476328), (16, 1291787), (28, 738164), (41, 504112), (49, 421808), (56, 369082), (82, 252056), (98, 210904), (112, 184541), (164, 126028), (196, 105452), (287, 72016), (328, 63014), (392, 52726), (574, 36008), (643, 32144), (656, 31507), (784, 26363), (1148, 18004), (1286, 16072), (2009, 10288), (2296, 9002), (2572, 8036), (4018, 5144), (4501, 4592)]