20409609843

素因数分解:

$3^2\times 7^1\times {\mathrm{23}}^1\times {\mathrm{109}}^1\times {\mathrm{129223}}^1$

素因数の和:129368

約数の個数: 48

約数和(自身を含む): 35479741440

約数和(自身を除く): 15070131597

約数列:

[1, 3, 7, 9, 21, 23, 63, 69, 109, 161, 207, 327, 483, 763, 981, 1449, 2289, 2507, 6867, 7521, 17549, 22563, 52647, 129223, 157941, 387669, 904561, 1163007, 2713683, 2972129, 8141049, 8916387, 14085307, 20804903, 26749161, 42255921, 62414709, 98597149, 126767763, 187244127, 295791447, 323962061, 887374341, 971886183, 2267734427, 2915658549, 6803203281, 20409609843]

約数ペア:

[(1, 20409609843), (3, 6803203281), (7, 2915658549), (9, 2267734427), (21, 971886183), (23, 887374341), (63, 323962061), (69, 295791447), (109, 187244127), (161, 126767763), (207, 98597149), (327, 62414709), (483, 42255921), (763, 26749161), (981, 20804903), (1449, 14085307), (2289, 8916387), (2507, 8141049), (6867, 2972129), (7521, 2713683), (17549, 1163007), (22563, 904561), (52647, 387669), (129223, 157941)]