20626474

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{131}}^1\times {\mathrm{421}}^1$

素因数の和:582

約数の個数: 32

約数和(自身を含む): 36096192

約数和(自身を除く): 15469718

約数列:

[1, 2, 11, 17, 22, 34, 131, 187, 262, 374, 421, 842, 1441, 2227, 2882, 4454, 4631, 7157, 9262, 14314, 24497, 48994, 55151, 78727, 110302, 157454, 606661, 937567, 1213322, 1875134, 10313237, 20626474]

約数ペア:

[(1, 20626474), (2, 10313237), (11, 1875134), (17, 1213322), (22, 937567), (34, 606661), (131, 157454), (187, 110302), (262, 78727), (374, 55151), (421, 48994), (842, 24497), (1441, 14314), (2227, 9262), (2882, 7157), (4454, 4631)]