20907997

素因数分解:

${\mathrm{11}}^1\times {\mathrm{37}}^1\times {\mathrm{47}}^1\times {\mathrm{1093}}^1$

素因数の和:1188

約数の個数: 16

約数和(自身を含む): 23945472

約数和(自身を除く): 3037475

約数列:

[1, 11, 37, 47, 407, 517, 1093, 1739, 12023, 19129, 40441, 51371, 444851, 565081, 1900727, 20907997]

約数ペア:

[(1, 20907997), (11, 1900727), (37, 565081), (47, 444851), (407, 51371), (517, 40441), (1093, 19129), (1739, 12023)]