20798412856

素因数分解:

$2^3\times {\mathrm{13}}^1\times {\mathrm{199984739}}^1$

素因数の和:199984758

約数の個数: 16

約数和(自身を含む): 41996795400

約数和(自身を除く): 21198382544

約数列:

[1, 2, 4, 8, 13, 26, 52, 104, 199984739, 399969478, 799938956, 1599877912, 2599801607, 5199603214, 10399206428, 20798412856]

約数ペア:

[(1, 20798412856), (2, 10399206428), (4, 5199603214), (8, 2599801607), (13, 1599877912), (26, 799938956), (52, 399969478), (104, 199984739)]