20975834

素因数分解:

$2^1\times {\mathrm{11}}^2\times {\mathrm{86677}}^1$

素因数の和:86701

約数の個数: 12

約数和(自身を含む): 34584522

約数和(自身を除く): 13608688

約数列:

[1, 2, 11, 22, 121, 242, 86677, 173354, 953447, 1906894, 10487917, 20975834]

約数ペア:

[(1, 20975834), (2, 10487917), (11, 1906894), (22, 953447), (121, 173354), (242, 86677)]