20810054

素因数分解:

$2^1\times {\mathrm{19}}^1\times {\mathrm{419}}^1\times {\mathrm{1307}}^1$

素因数の和:1747

約数の個数: 16

約数和(自身を含む): 32961600

約数和(自身を除く): 12151546

約数列:

[1, 2, 19, 38, 419, 838, 1307, 2614, 7961, 15922, 24833, 49666, 547633, 1095266, 10405027, 20810054]

約数ペア:

[(1, 20810054), (2, 10405027), (19, 1095266), (38, 547633), (419, 49666), (838, 24833), (1307, 15922), (2614, 7961)]