22018900

素因数分解:

$2^2\times 5^2\times {\mathrm{220189}}^1$

素因数の和:220203

約数の個数: 18

約数和(自身を含む): 47781230

約数和(自身を除く): 25762330

約数列:

[1, 2, 4, 5, 10, 20, 25, 50, 100, 220189, 440378, 880756, 1100945, 2201890, 4403780, 5504725, 11009450, 22018900]

約数ペア:

[(1, 22018900), (2, 11009450), (4, 5504725), (5, 4403780), (10, 2201890), (20, 1100945), (25, 880756), (50, 440378), (100, 220189)]