20339055

素因数分解:

$3^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{2417}}^1$

素因数の和:2456

約数の個数: 48

約数和(自身を含む): 40738464

約数和(自身を除く): 20399409

約数列:

[1, 3, 5, 9, 11, 15, 17, 33, 45, 51, 55, 85, 99, 153, 165, 187, 255, 495, 561, 765, 935, 1683, 2417, 2805, 7251, 8415, 12085, 21753, 26587, 36255, 41089, 79761, 108765, 123267, 132935, 205445, 239283, 369801, 398805, 451979, 616335, 1196415, 1355937, 1849005, 2259895, 4067811, 6779685, 20339055]

約数ペア:

[(1, 20339055), (3, 6779685), (5, 4067811), (9, 2259895), (11, 1849005), (15, 1355937), (17, 1196415), (33, 616335), (45, 451979), (51, 398805), (55, 369801), (85, 239283), (99, 205445), (153, 132935), (165, 123267), (187, 108765), (255, 79761), (495, 41089), (561, 36255), (765, 26587), (935, 21753), (1683, 12085), (2417, 8415), (2805, 7251)]