20907632

素因数分解:

$2^4\times {\mathrm{43}}^1\times {\mathrm{30389}}^1$

素因数の和:30440

約数の個数: 20

約数和(自身を含む): 41451960

約数和(自身を除く): 20544328

約数列:

[1, 2, 4, 8, 16, 43, 86, 172, 344, 688, 30389, 60778, 121556, 243112, 486224, 1306727, 2613454, 5226908, 10453816, 20907632]

約数ペア:

[(1, 20907632), (2, 10453816), (4, 5226908), (8, 2613454), (16, 1306727), (43, 486224), (86, 243112), (172, 121556), (344, 60778), (688, 30389)]