20121745819

素因数分解:

$7^1\times {\mathrm{17}}^1\times {\mathrm{829}}^1\times {\mathrm{203969}}^1$

素因数の和:204822

約数の個数: 16

約数和(自身を含む): 24378494400

約数和(自身を除く): 4256748581

約数列:

[1, 7, 17, 119, 829, 5803, 14093, 98651, 203969, 1427783, 3467473, 24272311, 169090301, 1183632107, 2874535117, 20121745819]

約数ペア:

[(1, 20121745819), (7, 2874535117), (17, 1183632107), (119, 169090301), (829, 24272311), (5803, 3467473), (14093, 1427783), (98651, 203969)]