20348464

素因数分解:

$2^4\times {\mathrm{41}}^1\times {\mathrm{31019}}^1$

素因数の和:31068

約数の個数: 20

約数和(自身を含む): 40388040

約数和(自身を除く): 20039576

約数列:

[1, 2, 4, 8, 16, 41, 82, 164, 328, 656, 31019, 62038, 124076, 248152, 496304, 1271779, 2543558, 5087116, 10174232, 20348464]

約数ペア:

[(1, 20348464), (2, 10174232), (4, 5087116), (8, 2543558), (16, 1271779), (41, 496304), (82, 248152), (164, 124076), (328, 62038), (656, 31019)]