20379684

素因数分解:

$2^2\times 3^1\times {\mathrm{13}}^1\times {\mathrm{130639}}^1$

素因数の和:130659

約数の個数: 24

約数和(自身を含む): 51210880

約数和(自身を除く): 30831196

約数列:

[1, 2, 3, 4, 6, 12, 13, 26, 39, 52, 78, 156, 130639, 261278, 391917, 522556, 783834, 1567668, 1698307, 3396614, 5094921, 6793228, 10189842, 20379684]

約数ペア:

[(1, 20379684), (2, 10189842), (3, 6793228), (4, 5094921), (6, 3396614), (12, 1698307), (13, 1567668), (26, 783834), (39, 522556), (52, 391917), (78, 261278), (156, 130639)]