20130407

素因数分解:

${\mathrm{11}}^2\times {\mathrm{43}}^1\times {\mathrm{53}}^1\times {\mathrm{73}}^1$

素因数の和:191

約数の個数: 24

約数和(自身を含む): 23384592

約数和(自身を除く): 3254185

約数列:

[1, 11, 43, 53, 73, 121, 473, 583, 803, 2279, 3139, 3869, 5203, 6413, 8833, 25069, 34529, 42559, 166367, 275759, 379819, 468149, 1830037, 20130407]

約数ペア:

[(1, 20130407), (11, 1830037), (43, 468149), (53, 379819), (73, 275759), (121, 166367), (473, 42559), (583, 34529), (803, 25069), (2279, 8833), (3139, 6413), (3869, 5203)]