20347952541

素因数分解:

$3^1\times 7^1\times {\mathrm{293}}^1\times {\mathrm{1777}}^1\times {\mathrm{1861}}^1$

素因数の和:3941

約数の個数: 32

約数和(自身を含む): 31146463488

約数和(自身を除く): 10798510947

約数列:

[1, 3, 7, 21, 293, 879, 1777, 1861, 2051, 5331, 5583, 6153, 12439, 13027, 37317, 39081, 520661, 545273, 1561983, 1635819, 3306997, 3644627, 3816911, 9920991, 10933881, 11450733, 23148979, 69446937, 968950121, 2906850363, 6782650847, 20347952541]

約数ペア:

[(1, 20347952541), (3, 6782650847), (7, 2906850363), (21, 968950121), (293, 69446937), (879, 23148979), (1777, 11450733), (1861, 10933881), (2051, 9920991), (5331, 3816911), (5583, 3644627), (6153, 3306997), (12439, 1635819), (13027, 1561983), (37317, 545273), (39081, 520661)]