20218090

素因数分解:

$2^1\times 5^1\times {\mathrm{19}}^1\times {\mathrm{106411}}^1$

素因数の和:106437

約数の個数: 16

約数和(自身を含む): 38308320

約数和(自身を除く): 18090230

約数列:

[1, 2, 5, 10, 19, 38, 95, 190, 106411, 212822, 532055, 1064110, 2021809, 4043618, 10109045, 20218090]

約数ペア:

[(1, 20218090), (2, 10109045), (5, 4043618), (10, 2021809), (19, 1064110), (38, 532055), (95, 212822), (190, 106411)]