20163634520

素因数分解:

$2^3\times 5^1\times {\mathrm{79}}^1\times {\mathrm{6380897}}^1$

素因数の和:6380987

約数の個数: 32

約数和(自身を含む): 45942465600

約数和(自身を除く): 25778831080

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 79, 158, 316, 395, 632, 790, 1580, 3160, 6380897, 12761794, 25523588, 31904485, 51047176, 63808970, 127617940, 255235880, 504090863, 1008181726, 2016363452, 2520454315, 4032726904, 5040908630, 10081817260, 20163634520]

約数ペア:

[(1, 20163634520), (2, 10081817260), (4, 5040908630), (5, 4032726904), (8, 2520454315), (10, 2016363452), (20, 1008181726), (40, 504090863), (79, 255235880), (158, 127617940), (316, 63808970), (395, 51047176), (632, 31904485), (790, 25523588), (1580, 12761794), (3160, 6380897)]