20537572

素因数分解:

$2^2\times {\mathrm{11}}^2\times {\mathrm{42433}}^1$

素因数の和:42459

約数の個数: 18

約数和(自身を含む): 39506054

約数和(自身を除く): 18968482

約数列:

[1, 2, 4, 11, 22, 44, 121, 242, 484, 42433, 84866, 169732, 466763, 933526, 1867052, 5134393, 10268786, 20537572]

約数ペア:

[(1, 20537572), (2, 10268786), (4, 5134393), (11, 1867052), (22, 933526), (44, 466763), (121, 169732), (242, 84866), (484, 42433)]