20808522257

素因数分解:

${\mathrm{17}}^1\times {\mathrm{23}}^1\times {\mathrm{223}}^1\times {\mathrm{238649}}^1$

素因数の和:238912

約数の個数: 16

約数和(自身を含む): 23093683200

約数和(自身を除く): 2285160943

約数列:

[1, 17, 23, 223, 391, 3791, 5129, 87193, 238649, 4057033, 5488927, 53218727, 93311759, 904718359, 1224030721, 20808522257]

約数ペア:

[(1, 20808522257), (17, 1224030721), (23, 904718359), (223, 93311759), (391, 53218727), (3791, 5488927), (5129, 4057033), (87193, 238649)]