20021474

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{31}}^2\times {\mathrm{947}}^1$

素因数の和:1022

約数の個数: 24

約数和(自身を含む): 33889104

約数和(自身を除く): 13867630

約数列:

[1, 2, 11, 22, 31, 62, 341, 682, 947, 961, 1894, 1922, 10417, 10571, 20834, 21142, 29357, 58714, 322927, 645854, 910067, 1820134, 10010737, 20021474]

約数ペア:

[(1, 20021474), (2, 10010737), (11, 1820134), (22, 910067), (31, 645854), (62, 322927), (341, 58714), (682, 29357), (947, 21142), (961, 20834), (1894, 10571), (1922, 10417)]