20289798

素因数分解:

$2^1\times 3^3\times {\mathrm{401}}^1\times {\mathrm{937}}^1$

素因数の和:1349

約数の個数: 32

約数和(自身を含む): 45249120

約数和(自身を除く): 24959322

約数列:

[1, 2, 3, 6, 9, 18, 27, 54, 401, 802, 937, 1203, 1874, 2406, 2811, 3609, 5622, 7218, 8433, 10827, 16866, 21654, 25299, 50598, 375737, 751474, 1127211, 2254422, 3381633, 6763266, 10144899, 20289798]

約数ペア:

[(1, 20289798), (2, 10144899), (3, 6763266), (6, 3381633), (9, 2254422), (18, 1127211), (27, 751474), (54, 375737), (401, 50598), (802, 25299), (937, 21654), (1203, 16866), (1874, 10827), (2406, 8433), (2811, 7218), (3609, 5622)]