20746156418

素因数分解:

$2^1\times {\mathrm{13}}^2\times {\mathrm{683}}^1\times {\mathrm{89867}}^1$

素因数の和:90578

約数の個数: 24

約数和(自身を含む): 33746871888

約数和(自身を除く): 13000715470

約数列:

[1, 2, 13, 26, 169, 338, 683, 1366, 8879, 17758, 89867, 115427, 179734, 230854, 1168271, 2336542, 15187523, 30375046, 61379161, 122758322, 797929093, 1595858186, 10373078209, 20746156418]

約数ペア:

[(1, 20746156418), (2, 10373078209), (13, 1595858186), (26, 797929093), (169, 122758322), (338, 61379161), (683, 30375046), (1366, 15187523), (8879, 2336542), (17758, 1168271), (89867, 230854), (115427, 179734)]