20481668

素因数分解:

$2^2\times {\mathrm{17}}^1\times {\mathrm{359}}^1\times {\mathrm{839}}^1$

素因数の和:1219

約数の個数: 24

約数和(自身を含む): 38102400

約数和(自身を除く): 17620732

約数列:

[1, 2, 4, 17, 34, 68, 359, 718, 839, 1436, 1678, 3356, 6103, 12206, 14263, 24412, 28526, 57052, 301201, 602402, 1204804, 5120417, 10240834, 20481668]

約数ペア:

[(1, 20481668), (2, 10240834), (4, 5120417), (17, 1204804), (34, 602402), (68, 301201), (359, 57052), (718, 28526), (839, 24412), (1436, 14263), (1678, 12206), (3356, 6103)]