20388208

素因数分解:

$2^4\times {\mathrm{107}}^1\times {\mathrm{11909}}^1$

素因数の和:12024

約数の個数: 20

約数和(自身を含む): 39874680

約数和(自身を除く): 19486472

約数列:

[1, 2, 4, 8, 16, 107, 214, 428, 856, 1712, 11909, 23818, 47636, 95272, 190544, 1274263, 2548526, 5097052, 10194104, 20388208]

約数ペア:

[(1, 20388208), (2, 10194104), (4, 5097052), (8, 2548526), (16, 1274263), (107, 190544), (214, 95272), (428, 47636), (856, 23818), (1712, 11909)]