20694590

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{293}}^1\times {\mathrm{1009}}^1$

素因数の和:1316

約数の個数: 32

約数和(自身を含む): 42759360

約数和(自身を除く): 22064770

約数列:

[1, 2, 5, 7, 10, 14, 35, 70, 293, 586, 1009, 1465, 2018, 2051, 2930, 4102, 5045, 7063, 10090, 10255, 14126, 20510, 35315, 70630, 295637, 591274, 1478185, 2069459, 2956370, 4138918, 10347295, 20694590]

約数ペア:

[(1, 20694590), (2, 10347295), (5, 4138918), (7, 2956370), (10, 2069459), (14, 1478185), (35, 591274), (70, 295637), (293, 70630), (586, 35315), (1009, 20510), (1465, 14126), (2018, 10255), (2051, 10090), (2930, 7063), (4102, 5045)]