20880500

素因数分解:

$2^2\times 5^3\times {\mathrm{41761}}^1$

素因数の和:41780

約数の個数: 24

約数和(自身を含む): 45604104

約数和(自身を除く): 24723604

約数列:

[1, 2, 4, 5, 10, 20, 25, 50, 100, 125, 250, 500, 41761, 83522, 167044, 208805, 417610, 835220, 1044025, 2088050, 4176100, 5220125, 10440250, 20880500]

約数ペア:

[(1, 20880500), (2, 10440250), (4, 5220125), (5, 4176100), (10, 2088050), (20, 1044025), (25, 835220), (50, 417610), (100, 208805), (125, 167044), (250, 83522), (500, 41761)]