20178262076

素因数分解:

$2^2\times 7^1\times {\mathrm{720652217}}^1$

素因数の和:720652228

約数の個数: 12

約数和(自身を含む): 40356524208

約数和(自身を除く): 20178262132

約数列:

[1, 2, 4, 7, 14, 28, 720652217, 1441304434, 2882608868, 5044565519, 10089131038, 20178262076]

約数ペア:

[(1, 20178262076), (2, 10089131038), (4, 5044565519), (7, 2882608868), (14, 1441304434), (28, 720652217)]