20961570

素因数分解:

$2^1\times 3^1\times 5^1\times 7^1\times {\mathrm{99817}}^1$

素因数の和:99834

約数の個数: 32

約数和(自身を含む): 57495168

約数和(自身を除く): 36533598

約数列:

[1, 2, 3, 5, 6, 7, 10, 14, 15, 21, 30, 35, 42, 70, 105, 210, 99817, 199634, 299451, 499085, 598902, 698719, 998170, 1397438, 1497255, 2096157, 2994510, 3493595, 4192314, 6987190, 10480785, 20961570]

約数ペア:

[(1, 20961570), (2, 10480785), (3, 6987190), (5, 4192314), (6, 3493595), (7, 2994510), (10, 2096157), (14, 1497255), (15, 1397438), (21, 998170), (30, 698719), (35, 598902), (42, 499085), (70, 299451), (105, 199634), (210, 99817)]