20861172

素因数分解:

$2^2\times 3^3\times {\mathrm{419}}^1\times {\mathrm{461}}^1$

素因数の和:893

約数の個数: 48

約数和(自身を含む): 54331200

約数和(自身を除く): 33470028

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 27, 36, 54, 108, 419, 461, 838, 922, 1257, 1383, 1676, 1844, 2514, 2766, 3771, 4149, 5028, 5532, 7542, 8298, 11313, 12447, 15084, 16596, 22626, 24894, 45252, 49788, 193159, 386318, 579477, 772636, 1158954, 1738431, 2317908, 3476862, 5215293, 6953724, 10430586, 20861172]

約数ペア:

[(1, 20861172), (2, 10430586), (3, 6953724), (4, 5215293), (6, 3476862), (9, 2317908), (12, 1738431), (18, 1158954), (27, 772636), (36, 579477), (54, 386318), (108, 193159), (419, 49788), (461, 45252), (838, 24894), (922, 22626), (1257, 16596), (1383, 15084), (1676, 12447), (1844, 11313), (2514, 8298), (2766, 7542), (3771, 5532), (4149, 5028)]