20011437340

素因数分解:

$2^2\times 5^1\times {\mathrm{10993}}^1\times {\mathrm{91019}}^1$

素因数の和:102021

約数の個数: 24

約数和(自身を含む): 42028302960

約数和(自身を除く): 22016865620

約数列:

[1, 2, 4, 5, 10, 20, 10993, 21986, 43972, 54965, 91019, 109930, 182038, 219860, 364076, 455095, 910190, 1820380, 1000571867, 2001143734, 4002287468, 5002859335, 10005718670, 20011437340]

約数ペア:

[(1, 20011437340), (2, 10005718670), (4, 5002859335), (5, 4002287468), (10, 2001143734), (20, 1000571867), (10993, 1820380), (21986, 910190), (43972, 455095), (54965, 364076), (91019, 219860), (109930, 182038)]