20077020

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{111539}}^1$

素因数の和:111554

約数の個数: 36

約数和(自身を含む): 60900840

約数和(自身を除く): 40823820

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 60, 90, 180, 111539, 223078, 334617, 446156, 557695, 669234, 1003851, 1115390, 1338468, 1673085, 2007702, 2230780, 3346170, 4015404, 5019255, 6692340, 10038510, 20077020]

約数ペア:

[(1, 20077020), (2, 10038510), (3, 6692340), (4, 5019255), (5, 4015404), (6, 3346170), (9, 2230780), (10, 2007702), (12, 1673085), (15, 1338468), (18, 1115390), (20, 1003851), (30, 669234), (36, 557695), (45, 446156), (60, 334617), (90, 223078), (180, 111539)]