20741331

素因数分解:

$3^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{23}}^1\times {\mathrm{1217}}^1$

素因数の和:1275

約数の個数: 32

約数和(自身を含む): 32739840

約数和(自身を除く): 11998509

約数列:

[1, 3, 13, 19, 23, 39, 57, 69, 247, 299, 437, 741, 897, 1217, 1311, 3651, 5681, 15821, 17043, 23123, 27991, 47463, 69369, 83973, 300599, 363883, 531829, 901797, 1091649, 1595487, 6913777, 20741331]

約数ペア:

[(1, 20741331), (3, 6913777), (13, 1595487), (19, 1091649), (23, 901797), (39, 531829), (57, 363883), (69, 300599), (247, 83973), (299, 69369), (437, 47463), (741, 27991), (897, 23123), (1217, 17043), (1311, 15821), (3651, 5681)]