17420780

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{67003}}^1$

素因数の和:67025

約数の個数: 24

約数和(自身を含む): 39398352

約数和(自身を除く): 21977572

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 130, 260, 67003, 134006, 268012, 335015, 670030, 871039, 1340060, 1742078, 3484156, 4355195, 8710390, 17420780]

約数ペア:

[(1, 17420780), (2, 8710390), (4, 4355195), (5, 3484156), (10, 1742078), (13, 1340060), (20, 871039), (26, 670030), (52, 335015), (65, 268012), (130, 134006), (260, 67003)]