20545264

素因数分解:

$2^4\times {\mathrm{41}}^1\times {\mathrm{31319}}^1$

素因数の和:31368

約数の個数: 20

約数和(自身を含む): 40778640

約数和(自身を除く): 20233376

約数列:

[1, 2, 4, 8, 16, 41, 82, 164, 328, 656, 31319, 62638, 125276, 250552, 501104, 1284079, 2568158, 5136316, 10272632, 20545264]

約数ペア:

[(1, 20545264), (2, 10272632), (4, 5136316), (8, 2568158), (16, 1284079), (41, 501104), (82, 250552), (164, 125276), (328, 62638), (656, 31319)]