20431035

素因数分解:

$3^4\times 5^1\times {\mathrm{61}}^1\times {\mathrm{827}}^1$

素因数の和:905

約数の個数: 40

約数和(自身を含む): 37269936

約数和(自身を除く): 16838901

約数列:

[1, 3, 5, 9, 15, 27, 45, 61, 81, 135, 183, 305, 405, 549, 827, 915, 1647, 2481, 2745, 4135, 4941, 7443, 8235, 12405, 22329, 24705, 37215, 50447, 66987, 111645, 151341, 252235, 334935, 454023, 756705, 1362069, 2270115, 4086207, 6810345, 20431035]

約数ペア:

[(1, 20431035), (3, 6810345), (5, 4086207), (9, 2270115), (15, 1362069), (27, 756705), (45, 454023), (61, 334935), (81, 252235), (135, 151341), (183, 111645), (305, 66987), (405, 50447), (549, 37215), (827, 24705), (915, 22329), (1647, 12405), (2481, 8235), (2745, 7443), (4135, 4941)]