20882212

素因数分解:

$2^2\times {\mathrm{13}}^1\times {\mathrm{53}}^1\times {\mathrm{7577}}^1$

素因数の和:7647

約数の個数: 24

約数和(自身を含む): 40102776

約数和(自身を除く): 19220564

約数列:

[1, 2, 4, 13, 26, 52, 53, 106, 212, 689, 1378, 2756, 7577, 15154, 30308, 98501, 197002, 394004, 401581, 803162, 1606324, 5220553, 10441106, 20882212]

約数ペア:

[(1, 20882212), (2, 10441106), (4, 5220553), (13, 1606324), (26, 803162), (52, 401581), (53, 394004), (106, 197002), (212, 98501), (689, 30308), (1378, 15154), (2756, 7577)]