20360543

素因数分解:

$7^1\times {\mathrm{17}}^1\times {\mathrm{23}}^1\times {\mathrm{43}}^1\times {\mathrm{173}}^1$

素因数の和:263

約数の個数: 32

約数和(自身を含む): 26459136

約数和(自身を除く): 6098593

約数列:

[1, 7, 17, 23, 43, 119, 161, 173, 301, 391, 731, 989, 1211, 2737, 2941, 3979, 5117, 6923, 7439, 16813, 20587, 27853, 52073, 67643, 117691, 126463, 171097, 473501, 885241, 1197679, 2908649, 20360543]

約数ペア:

[(1, 20360543), (7, 2908649), (17, 1197679), (23, 885241), (43, 473501), (119, 171097), (161, 126463), (173, 117691), (301, 67643), (391, 52073), (731, 27853), (989, 20587), (1211, 16813), (2737, 7439), (2941, 6923), (3979, 5117)]