19720698

素因数分解:

$2^1\times 3^1\times {\mathrm{353}}^1\times {\mathrm{9311}}^1$

素因数の和:9669

約数の個数: 16

約数和(自身を含む): 39557376

約数和(自身を除く): 19836678

約数列:

[1, 2, 3, 6, 353, 706, 1059, 2118, 9311, 18622, 27933, 55866, 3286783, 6573566, 9860349, 19720698]

約数ペア:

[(1, 19720698), (2, 9860349), (3, 6573566), (6, 3286783), (353, 55866), (706, 27933), (1059, 18622), (2118, 9311)]