20654576

素因数分解:

$2^4\times {\mathrm{257}}^1\times {\mathrm{5023}}^1$

素因数の和:5288

約数の個数: 20

約数和(自身を含む): 40181952

約数和(自身を除く): 19527376

約数列:

[1, 2, 4, 8, 16, 257, 514, 1028, 2056, 4112, 5023, 10046, 20092, 40184, 80368, 1290911, 2581822, 5163644, 10327288, 20654576]

約数ペア:

[(1, 20654576), (2, 10327288), (4, 5163644), (8, 2581822), (16, 1290911), (257, 80368), (514, 40184), (1028, 20092), (2056, 10046), (4112, 5023)]