20524988

素因数分解:

$2^2\times {\mathrm{11}}^2\times {\mathrm{42407}}^1$

素因数の和:42433

約数の個数: 18

約数和(自身を含む): 39481848

約数和(自身を除く): 18956860

約数列:

[1, 2, 4, 11, 22, 44, 121, 242, 484, 42407, 84814, 169628, 466477, 932954, 1865908, 5131247, 10262494, 20524988]

約数ペア:

[(1, 20524988), (2, 10262494), (4, 5131247), (11, 1865908), (22, 932954), (44, 466477), (121, 169628), (242, 84814), (484, 42407)]