20676537

素因数分解:

$3^2\times 7^1\times {\mathrm{109}}^1\times {\mathrm{3011}}^1$

素因数の和:3133

約数の個数: 24

約数和(自身を含む): 34457280

約数和(自身を除く): 13780743

約数列:

[1, 3, 7, 9, 21, 63, 109, 327, 763, 981, 2289, 3011, 6867, 9033, 21077, 27099, 63231, 189693, 328199, 984597, 2297393, 2953791, 6892179, 20676537]

約数ペア:

[(1, 20676537), (3, 6892179), (7, 2953791), (9, 2297393), (21, 984597), (63, 328199), (109, 189693), (327, 63231), (763, 27099), (981, 21077), (2289, 9033), (3011, 6867)]