20473203

素因数分解:

$3^1\times {\mathrm{19}}^1\times {\mathrm{43}}^1\times {\mathrm{8353}}^1$

素因数の和:8418

約数の個数: 16

約数和(自身を含む): 29406080

約数和(自身を除く): 8932877

約数列:

[1, 3, 19, 43, 57, 129, 817, 2451, 8353, 25059, 158707, 359179, 476121, 1077537, 6824401, 20473203]

約数ペア:

[(1, 20473203), (3, 6824401), (19, 1077537), (43, 476121), (57, 359179), (129, 158707), (817, 25059), (2451, 8353)]