20398326

素因数分解:

$2^1\times 3^1\times {\mathrm{13}}^1\times {\mathrm{103}}^1\times {\mathrm{2539}}^1$

素因数の和:2660

約数の個数: 32

約数和(自身を含む): 44378880

約数和(自身を除く): 23980554

約数列:

[1, 2, 3, 6, 13, 26, 39, 78, 103, 206, 309, 618, 1339, 2539, 2678, 4017, 5078, 7617, 8034, 15234, 33007, 66014, 99021, 198042, 261517, 523034, 784551, 1569102, 3399721, 6799442, 10199163, 20398326]

約数ペア:

[(1, 20398326), (2, 10199163), (3, 6799442), (6, 3399721), (13, 1569102), (26, 784551), (39, 523034), (78, 261517), (103, 198042), (206, 99021), (309, 66014), (618, 33007), (1339, 15234), (2539, 8034), (2678, 7617), (4017, 5078)]