20321145

素因数分解:

$3^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{11579}}^1$

素因数の和:11606

約数の個数: 32

約数和(自身を含む): 38908800

約数和(自身を除く): 18587655

約数列:

[1, 3, 5, 9, 13, 15, 27, 39, 45, 65, 117, 135, 195, 351, 585, 1755, 11579, 34737, 57895, 104211, 150527, 173685, 312633, 451581, 521055, 752635, 1354743, 1563165, 2257905, 4064229, 6773715, 20321145]

約数ペア:

[(1, 20321145), (3, 6773715), (5, 4064229), (9, 2257905), (13, 1563165), (15, 1354743), (27, 752635), (39, 521055), (45, 451581), (65, 312633), (117, 173685), (135, 150527), (195, 104211), (351, 57895), (585, 34737), (1755, 11579)]