20967088

素因数分解:

$2^4\times {\mathrm{257}}^1\times {\mathrm{5099}}^1$

素因数の和:5364

約数の個数: 20

約数和(自身を含む): 40789800

約数和(自身を除く): 19822712

約数列:

[1, 2, 4, 8, 16, 257, 514, 1028, 2056, 4112, 5099, 10198, 20396, 40792, 81584, 1310443, 2620886, 5241772, 10483544, 20967088]

約数ペア:

[(1, 20967088), (2, 10483544), (4, 5241772), (8, 2620886), (16, 1310443), (257, 81584), (514, 40792), (1028, 20396), (2056, 10198), (4112, 5099)]