20487368

素因数分解:

$2^3\times {\mathrm{11}}^1\times {\mathrm{232811}}^1$

素因数の和:232828

約数の個数: 16

約数和(自身を含む): 41906160

約数和(自身を除く): 21418792

約数列:

[1, 2, 4, 8, 11, 22, 44, 88, 232811, 465622, 931244, 1862488, 2560921, 5121842, 10243684, 20487368]

約数ペア:

[(1, 20487368), (2, 10243684), (4, 5121842), (8, 2560921), (11, 1862488), (22, 931244), (44, 465622), (88, 232811)]