20695311

素因数分解:

$3^3\times 7^1\times {\mathrm{13}}^1\times {\mathrm{8423}}^1$

素因数の和:8452

約数の個数: 32

約数和(自身を含む): 37739520

約数和(自身を除く): 17044209

約数列:

[1, 3, 7, 9, 13, 21, 27, 39, 63, 91, 117, 189, 273, 351, 819, 2457, 8423, 25269, 58961, 75807, 109499, 176883, 227421, 328497, 530649, 766493, 985491, 1591947, 2299479, 2956473, 6898437, 20695311]

約数ペア:

[(1, 20695311), (3, 6898437), (7, 2956473), (9, 2299479), (13, 1591947), (21, 985491), (27, 766493), (39, 530649), (63, 328497), (91, 227421), (117, 176883), (189, 109499), (273, 75807), (351, 58961), (819, 25269), (2457, 8423)]