20745080

素因数分解:

$2^3\times 5^1\times {\mathrm{23}}^1\times {\mathrm{22549}}^1$

素因数の和:22583

約数の個数: 32

約数和(自身を含む): 48708000

約数和(自身を除く): 27962920

約数列:

[1, 2, 4, 5, 8, 10, 20, 23, 40, 46, 92, 115, 184, 230, 460, 920, 22549, 45098, 90196, 112745, 180392, 225490, 450980, 518627, 901960, 1037254, 2074508, 2593135, 4149016, 5186270, 10372540, 20745080]

約数ペア:

[(1, 20745080), (2, 10372540), (4, 5186270), (5, 4149016), (8, 2593135), (10, 2074508), (20, 1037254), (23, 901960), (40, 518627), (46, 450980), (92, 225490), (115, 180392), (184, 112745), (230, 90196), (460, 45098), (920, 22549)]