20287794

素因数分解:

$2^1\times 3^1\times {\mathrm{23}}^1\times {\mathrm{113}}^1\times {\mathrm{1301}}^1$

素因数の和:1442

約数の個数: 32

約数和(自身を含む): 42747264

約数和(自身を除く): 22459470

約数列:

[1, 2, 3, 6, 23, 46, 69, 113, 138, 226, 339, 678, 1301, 2599, 2602, 3903, 5198, 7797, 7806, 15594, 29923, 59846, 89769, 147013, 179538, 294026, 441039, 882078, 3381299, 6762598, 10143897, 20287794]

約数ペア:

[(1, 20287794), (2, 10143897), (3, 6762598), (6, 3381299), (23, 882078), (46, 441039), (69, 294026), (113, 179538), (138, 147013), (226, 89769), (339, 59846), (678, 29923), (1301, 15594), (2599, 7806), (2602, 7797), (3903, 5198)]