20008677

素因数分解:

$3^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{103}}^1\times {\mathrm{293}}^1$

素因数の和:429

約数の個数: 32

約数和(自身を含む): 30820608

約数和(自身を除く): 10811931

約数列:

[1, 3, 13, 17, 39, 51, 103, 221, 293, 309, 663, 879, 1339, 1751, 3809, 4017, 4981, 5253, 11427, 14943, 22763, 30179, 64753, 68289, 90537, 194259, 392327, 513043, 1176981, 1539129, 6669559, 20008677]

約数ペア:

[(1, 20008677), (3, 6669559), (13, 1539129), (17, 1176981), (39, 513043), (51, 392327), (103, 194259), (221, 90537), (293, 68289), (309, 64753), (663, 30179), (879, 22763), (1339, 14943), (1751, 11427), (3809, 5253), (4017, 4981)]