16920592

素因数分解:

$2^4\times {\mathrm{13}}^1\times {\mathrm{81349}}^1$

素因数の和:81370

約数の個数: 20

約数和(自身を含む): 35305900

約数和(自身を除く): 18385308

約数列:

[1, 2, 4, 8, 13, 16, 26, 52, 104, 208, 81349, 162698, 325396, 650792, 1057537, 1301584, 2115074, 4230148, 8460296, 16920592]

約数ペア:

[(1, 16920592), (2, 8460296), (4, 4230148), (8, 2115074), (13, 1301584), (16, 1057537), (26, 650792), (52, 325396), (104, 162698), (208, 81349)]