20623941

素因数分解:

$3^2\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{10369}}^1$

素因数の和:10405

約数の個数: 24

約数和(自身を含む): 33972120

約数和(自身を除く): 13348179

約数列:

[1, 3, 9, 13, 17, 39, 51, 117, 153, 221, 663, 1989, 10369, 31107, 93321, 134797, 176273, 404391, 528819, 1213173, 1586457, 2291549, 6874647, 20623941]

約数ペア:

[(1, 20623941), (3, 6874647), (9, 2291549), (13, 1586457), (17, 1213173), (39, 528819), (51, 404391), (117, 176273), (153, 134797), (221, 93321), (663, 31107), (1989, 10369)]