20808217744

素因数分解:

$2^4\times {\mathrm{293}}^1\times {\mathrm{4438613}}^1$

素因数の和:4438914

約数の個数: 20

約数和(自身を含む): 40453527996

約数和(自身を除く): 19645310252

約数列:

[1, 2, 4, 8, 16, 293, 586, 1172, 2344, 4688, 4438613, 8877226, 17754452, 35508904, 71017808, 1300513609, 2601027218, 5202054436, 10404108872, 20808217744]

約数ペア:

[(1, 20808217744), (2, 10404108872), (4, 5202054436), (8, 2601027218), (16, 1300513609), (293, 71017808), (586, 35508904), (1172, 17754452), (2344, 8877226), (4688, 4438613)]