20707728

素因数分解:

$2^4\times 3^1\times {\mathrm{23}}^1\times {\mathrm{18757}}^1$

素因数の和:18791

約数の個数: 40

約数和(自身を含む): 55823808

約数和(自身を除く): 35116080

約数列:

[1, 2, 3, 4, 6, 8, 12, 16, 23, 24, 46, 48, 69, 92, 138, 184, 276, 368, 552, 1104, 18757, 37514, 56271, 75028, 112542, 150056, 225084, 300112, 431411, 450168, 862822, 900336, 1294233, 1725644, 2588466, 3451288, 5176932, 6902576, 10353864, 20707728]

約数ペア:

[(1, 20707728), (2, 10353864), (3, 6902576), (4, 5176932), (6, 3451288), (8, 2588466), (12, 1725644), (16, 1294233), (23, 900336), (24, 862822), (46, 450168), (48, 431411), (69, 300112), (92, 225084), (138, 150056), (184, 112542), (276, 75028), (368, 56271), (552, 37514), (1104, 18757)]