20123231427

素因数分解:

$3^2\times {\mathrm{13}}^1\times {\mathrm{23003}}^1\times {\mathrm{7477}}^1$

素因数の和:30499

約数の個数: 24

約数和(自身を含む): 31308351984

約数和(自身を除く): 11185120557

約数列:

[1, 3, 9, 13, 39, 117, 7477, 22431, 23003, 67293, 69009, 97201, 207027, 291603, 299039, 874809, 897117, 2691351, 171993431, 515980293, 1547940879, 2235914603, 6707743809, 20123231427]

約数ペア:

[(1, 20123231427), (3, 6707743809), (9, 2235914603), (13, 1547940879), (39, 515980293), (117, 171993431), (7477, 2691351), (22431, 897117), (23003, 874809), (67293, 299039), (69009, 291603), (97201, 207027)]