20199232809

素因数分解:

$3^2\times 7^2\times {\mathrm{45803249}}^1$

素因数の和:45803269

約数の個数: 18

約数和(自身を含む): 33940208250

約数和(自身を除く): 13740975441

約数列:

[1, 3, 7, 9, 21, 49, 63, 147, 441, 45803249, 137409747, 320622743, 412229241, 961868229, 2244359201, 2885604687, 6733077603, 20199232809]

約数ペア:

[(1, 20199232809), (3, 6733077603), (7, 2885604687), (9, 2244359201), (21, 961868229), (49, 412229241), (63, 320622743), (147, 137409747), (441, 45803249)]