20519664

素因数分解:

$2^4\times 3^1\times {\mathrm{11}}^2\times {\mathrm{3533}}^1$

素因数の和:3566

約数の個数: 60

約数和(自身を含む): 58282728

約数和(自身を除く): 37763064

約数列:

[1, 2, 3, 4, 6, 8, 11, 12, 16, 22, 24, 33, 44, 48, 66, 88, 121, 132, 176, 242, 264, 363, 484, 528, 726, 968, 1452, 1936, 2904, 3533, 5808, 7066, 10599, 14132, 21198, 28264, 38863, 42396, 56528, 77726, 84792, 116589, 155452, 169584, 233178, 310904, 427493, 466356, 621808, 854986, 932712, 1282479, 1709972, 1865424, 2564958, 3419944, 5129916, 6839888, 10259832, 20519664]

約数ペア:

[(1, 20519664), (2, 10259832), (3, 6839888), (4, 5129916), (6, 3419944), (8, 2564958), (11, 1865424), (12, 1709972), (16, 1282479), (22, 932712), (24, 854986), (33, 621808), (44, 466356), (48, 427493), (66, 310904), (88, 233178), (121, 169584), (132, 155452), (176, 116589), (242, 84792), (264, 77726), (363, 56528), (484, 42396), (528, 38863), (726, 28264), (968, 21198), (1452, 14132), (1936, 10599), (2904, 7066), (3533, 5808)]