20446438

素因数分解:

$2^1\times {\mathrm{71}}^1\times {\mathrm{109}}^1\times {\mathrm{1321}}^1$

素因数の和:1503

約数の個数: 16

約数和(自身を含む): 31410720

約数和(自身を除く): 10964282

約数列:

[1, 2, 71, 109, 142, 218, 1321, 2642, 7739, 15478, 93791, 143989, 187582, 287978, 10223219, 20446438]

約数ペア:

[(1, 20446438), (2, 10223219), (71, 287978), (109, 187582), (142, 143989), (218, 93791), (1321, 15478), (2642, 7739)]