12920894

素因数分解:

$2^1\times 7^1\times {\mathrm{23}}^1\times {\mathrm{40127}}^1$

素因数の和:40159

約数の個数: 16

約数和(自身を含む): 23113728

約数和(自身を除く): 10192834

約数列:

[1, 2, 7, 14, 23, 46, 161, 322, 40127, 80254, 280889, 561778, 922921, 1845842, 6460447, 12920894]

約数ペア:

[(1, 12920894), (2, 6460447), (7, 1845842), (14, 922921), (23, 561778), (46, 280889), (161, 80254), (322, 40127)]