20222440

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{72223}}^1$

素因数の和:72241

約数の個数: 32

約数和(自身を含む): 52001280

約数和(自身を除く): 31778840

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 70, 140, 280, 72223, 144446, 288892, 361115, 505561, 577784, 722230, 1011122, 1444460, 2022244, 2527805, 2888920, 4044488, 5055610, 10111220, 20222440]

約数ペア:

[(1, 20222440), (2, 10111220), (4, 5055610), (5, 4044488), (7, 2888920), (8, 2527805), (10, 2022244), (14, 1444460), (20, 1011122), (28, 722230), (35, 577784), (40, 505561), (56, 361115), (70, 288892), (140, 144446), (280, 72223)]