20178602991

素因数分解:

$3^2\times {\mathrm{43}}^1\times {\mathrm{2341}}^1\times {\mathrm{22273}}^1$

素因数の和:24663

約数の個数: 24

約数和(自身を含む): 29838784976

約数和(自身を除く): 9660181985

約数列:

[1, 3, 9, 43, 129, 387, 2341, 7023, 21069, 22273, 66819, 100663, 200457, 301989, 905967, 957739, 2873217, 8619651, 52141093, 156423279, 469269837, 2242066999, 6726200997, 20178602991]

約数ペア:

[(1, 20178602991), (3, 6726200997), (9, 2242066999), (43, 469269837), (129, 156423279), (387, 52141093), (2341, 8619651), (7023, 2873217), (21069, 957739), (22273, 905967), (66819, 301989), (100663, 200457)]