20338695

素因数分解:

$3^4\times 5^1\times {\mathrm{13}}^1\times {\mathrm{3863}}^1$

素因数の和:3893

約数の個数: 40

約数和(自身を含む): 39273696

約数和(自身を除く): 18935001

約数列:

[1, 3, 5, 9, 13, 15, 27, 39, 45, 65, 81, 117, 135, 195, 351, 405, 585, 1053, 1755, 3863, 5265, 11589, 19315, 34767, 50219, 57945, 104301, 150657, 173835, 251095, 312903, 451971, 521505, 753285, 1355913, 1564515, 2259855, 4067739, 6779565, 20338695]

約数ペア:

[(1, 20338695), (3, 6779565), (5, 4067739), (9, 2259855), (13, 1564515), (15, 1355913), (27, 753285), (39, 521505), (45, 451971), (65, 312903), (81, 251095), (117, 173835), (135, 150657), (195, 104301), (351, 57945), (405, 50219), (585, 34767), (1053, 19315), (1755, 11589), (3863, 5265)]