20065120

素因数分解:

$2^5\times 5^1\times {\mathrm{125407}}^1$

素因数の和:125422

約数の個数: 24

約数和(自身を含む): 47404224

約数和(自身を除く): 27339104

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 80, 160, 125407, 250814, 501628, 627035, 1003256, 1254070, 2006512, 2508140, 4013024, 5016280, 10032560, 20065120]

約数ペア:

[(1, 20065120), (2, 10032560), (4, 5016280), (5, 4013024), (8, 2508140), (10, 2006512), (16, 1254070), (20, 1003256), (32, 627035), (40, 501628), (80, 250814), (160, 125407)]