20465974809

素因数分解:

$3^3\times 7^1\times {\mathrm{197}}^1\times {\mathrm{523}}^1\times {\mathrm{1051}}^1$

素因数の和:1787

約数の個数: 64

約数和(自身を含む): 34927073280

約数和(自身を除く): 14461098471

約数列:

[1, 3, 7, 9, 21, 27, 63, 189, 197, 523, 591, 1051, 1379, 1569, 1773, 3153, 3661, 4137, 4707, 5319, 7357, 9459, 10983, 12411, 14121, 22071, 28377, 32949, 37233, 66213, 98847, 103031, 198639, 207047, 309093, 549673, 621141, 721217, 927279, 1449329, 1649019, 1863423, 2163651, 2781837, 3847711, 4347987, 4947057, 5590269, 6490953, 11543133, 13043961, 14841171, 19472859, 34629399, 39131883, 103888197, 108285581, 324856743, 757999067, 974570229, 2273997201, 2923710687, 6821991603, 20465974809]

約数ペア:

[(1, 20465974809), (3, 6821991603), (7, 2923710687), (9, 2273997201), (21, 974570229), (27, 757999067), (63, 324856743), (189, 108285581), (197, 103888197), (523, 39131883), (591, 34629399), (1051, 19472859), (1379, 14841171), (1569, 13043961), (1773, 11543133), (3153, 6490953), (3661, 5590269), (4137, 4947057), (4707, 4347987), (5319, 3847711), (7357, 2781837), (9459, 2163651), (10983, 1863423), (12411, 1649019), (14121, 1449329), (22071, 927279), (28377, 721217), (32949, 621141), (37233, 549673), (66213, 309093), (98847, 207047), (103031, 198639)]