20169900465

素因数分解:

$3^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{37}}^1\times {\mathrm{254141}}^1$

素因数の和:254210

約数の個数: 64

約数和(自身を含む): 38938620672

約数和(自身を除く): 18768720207

約数列:

[1, 3, 5, 11, 13, 15, 33, 37, 39, 55, 65, 111, 143, 165, 185, 195, 407, 429, 481, 555, 715, 1221, 1443, 2035, 2145, 2405, 5291, 6105, 7215, 15873, 26455, 79365, 254141, 762423, 1270705, 2795551, 3303833, 3812115, 8386653, 9403217, 9911499, 13977755, 16519165, 28209651, 36342163, 41933265, 47016085, 49557495, 103435387, 109026489, 122241821, 141048255, 181710815, 310306161, 366725463, 517176935, 545132445, 611209105, 1344660031, 1551530805, 1833627315, 4033980093, 6723300155, 20169900465]

約数ペア:

[(1, 20169900465), (3, 6723300155), (5, 4033980093), (11, 1833627315), (13, 1551530805), (15, 1344660031), (33, 611209105), (37, 545132445), (39, 517176935), (55, 366725463), (65, 310306161), (111, 181710815), (143, 141048255), (165, 122241821), (185, 109026489), (195, 103435387), (407, 49557495), (429, 47016085), (481, 41933265), (555, 36342163), (715, 28209651), (1221, 16519165), (1443, 13977755), (2035, 9911499), (2145, 9403217), (2405, 8386653), (5291, 3812115), (6105, 3303833), (7215, 2795551), (15873, 1270705), (26455, 762423), (79365, 254141)]