20870553

素因数分解:

$3^1\times {\mathrm{11}}^1\times {\mathrm{37}}^1\times {\mathrm{17093}}^1$

素因数の和:17144

約数の個数: 16

約数和(自身を含む): 31179456

約数和(自身を除く): 10308903

約数列:

[1, 3, 11, 33, 37, 111, 407, 1221, 17093, 51279, 188023, 564069, 632441, 1897323, 6956851, 20870553]

約数ペア:

[(1, 20870553), (3, 6956851), (11, 1897323), (33, 632441), (37, 564069), (111, 188023), (407, 51279), (1221, 17093)]