20172896

素因数分解:

$2^5\times {\mathrm{67}}^1\times {\mathrm{97}}^2$

素因数の和:271

約数の個数: 36

約数和(自身を含む): 40727988

約数和(自身を除く): 20555092

約数列:

[1, 2, 4, 8, 16, 32, 67, 97, 134, 194, 268, 388, 536, 776, 1072, 1552, 2144, 3104, 6499, 9409, 12998, 18818, 25996, 37636, 51992, 75272, 103984, 150544, 207968, 301088, 630403, 1260806, 2521612, 5043224, 10086448, 20172896]

約数ペア:

[(1, 20172896), (2, 10086448), (4, 5043224), (8, 2521612), (16, 1260806), (32, 630403), (67, 301088), (97, 207968), (134, 150544), (194, 103984), (268, 75272), (388, 51992), (536, 37636), (776, 25996), (1072, 18818), (1552, 12998), (2144, 9409), (3104, 6499)]