20872797

素因数分解:

$3^1\times {\mathrm{11}}^1\times {\mathrm{61}}^1\times {\mathrm{10369}}^1$

素因数の和:10444

約数の個数: 16

約数和(自身を含む): 30861120

約数和(自身を除く): 9988323

約数列:

[1, 3, 11, 33, 61, 183, 671, 2013, 10369, 31107, 114059, 342177, 632509, 1897527, 6957599, 20872797]

約数ペア:

[(1, 20872797), (3, 6957599), (11, 1897527), (33, 632509), (61, 342177), (183, 114059), (671, 31107), (2013, 10369)]