20996949519

素因数分解:

$3^4\times 7^1\times {\mathrm{13}}^1\times {\mathrm{2848589}}^1$

素因数の和:2848621

約数の個数: 40

約数和(自身を含む): 38604091680

約数和(自身を除く): 17607142161

約数列:

[1, 3, 7, 9, 13, 21, 27, 39, 63, 81, 91, 117, 189, 273, 351, 567, 819, 1053, 2457, 7371, 2848589, 8545767, 19940123, 25637301, 37031657, 59820369, 76911903, 111094971, 179461107, 230735709, 259221599, 333284913, 538383321, 777664797, 999854739, 1615149963, 2332994391, 2999564217, 6998983173, 20996949519]

約数ペア:

[(1, 20996949519), (3, 6998983173), (7, 2999564217), (9, 2332994391), (13, 1615149963), (21, 999854739), (27, 777664797), (39, 538383321), (63, 333284913), (81, 259221599), (91, 230735709), (117, 179461107), (189, 111094971), (273, 76911903), (351, 59820369), (567, 37031657), (819, 25637301), (1053, 19940123), (2457, 8545767), (7371, 2848589)]