20188751030

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{17}}^2\times {\mathrm{997961}}^1$

素因数の和:998009

約数の個数: 48

約数和(自身を含む): 44117904096

約数和(自身を除く): 23929153066

約数列:

[1, 2, 5, 7, 10, 14, 17, 34, 35, 70, 85, 119, 170, 238, 289, 578, 595, 1190, 1445, 2023, 2890, 4046, 10115, 20230, 997961, 1995922, 4989805, 6985727, 9979610, 13971454, 16965337, 33930674, 34928635, 69857270, 84826685, 118757359, 169653370, 237514718, 288410729, 576821458, 593786795, 1187573590, 1442053645, 2018875103, 2884107290, 4037750206, 10094375515, 20188751030]

約数ペア:

[(1, 20188751030), (2, 10094375515), (5, 4037750206), (7, 2884107290), (10, 2018875103), (14, 1442053645), (17, 1187573590), (34, 593786795), (35, 576821458), (70, 288410729), (85, 237514718), (119, 169653370), (170, 118757359), (238, 84826685), (289, 69857270), (578, 34928635), (595, 33930674), (1190, 16965337), (1445, 13971454), (2023, 9979610), (2890, 6985727), (4046, 4989805), (10115, 1995922), (20230, 997961)]