20120678403

素因数分解:

$3^1\times 7^1\times {\mathrm{37}}^1\times {\mathrm{25895339}}^1$

素因数の和:25895386

約数の個数: 16

約数和(自身を含む): 31488733440

約数和(自身を除く): 11368055037

約数列:

[1, 3, 7, 21, 37, 111, 259, 777, 25895339, 77686017, 181267373, 543802119, 958127543, 2874382629, 6706892801, 20120678403]

約数ペア:

[(1, 20120678403), (3, 6706892801), (7, 2874382629), (21, 958127543), (37, 543802119), (111, 181267373), (259, 77686017), (777, 25895339)]