20000409

素因数分解:

$3^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{2027}}^1$

素因数の和:2077

約数の個数: 32

約数和(自身を含む): 32707584

約数和(自身を除く): 12707175

約数列:

[1, 3, 11, 13, 23, 33, 39, 69, 143, 253, 299, 429, 759, 897, 2027, 3289, 6081, 9867, 22297, 26351, 46621, 66891, 79053, 139863, 289861, 512831, 606073, 869583, 1538493, 1818219, 6666803, 20000409]

約数ペア:

[(1, 20000409), (3, 6666803), (11, 1818219), (13, 1538493), (23, 869583), (33, 606073), (39, 512831), (69, 289861), (143, 139863), (253, 79053), (299, 66891), (429, 46621), (759, 26351), (897, 22297), (2027, 9867), (3289, 6081)]