20218392

素因数分解:

$2^3\times 3^2\times {\mathrm{280811}}^1$

素因数の和:280823

約数の個数: 24

約数和(自身を含む): 54758340

約数和(自身を除く): 34539948

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 18, 24, 36, 72, 280811, 561622, 842433, 1123244, 1684866, 2246488, 2527299, 3369732, 5054598, 6739464, 10109196, 20218392]

約数ペア:

[(1, 20218392), (2, 10109196), (3, 6739464), (4, 5054598), (6, 3369732), (8, 2527299), (9, 2246488), (12, 1684866), (18, 1123244), (24, 842433), (36, 561622), (72, 280811)]