20537445

素因数分解:

$3^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{43}}^1\times {\mathrm{1873}}^1$

素因数の和:1941

約数の個数: 32

約数和(自身を含む): 35620992

約数和(自身を除く): 15083547

約数列:

[1, 3, 5, 15, 17, 43, 51, 85, 129, 215, 255, 645, 731, 1873, 2193, 3655, 5619, 9365, 10965, 28095, 31841, 80539, 95523, 159205, 241617, 402695, 477615, 1208085, 1369163, 4107489, 6845815, 20537445]

約数ペア:

[(1, 20537445), (3, 6845815), (5, 4107489), (15, 1369163), (17, 1208085), (43, 477615), (51, 402695), (85, 241617), (129, 159205), (215, 95523), (255, 80539), (645, 31841), (731, 28095), (1873, 10965), (2193, 9365), (3655, 5619)]