20956837

素因数分解:

${\mathrm{11}}^2\times {\mathrm{31}}^1\times {\mathrm{37}}^1\times {\mathrm{151}}^1$

素因数の和:241

約数の個数: 24

約数和(自身を含む): 24582656

約数和(自身を除く): 3625819

約数列:

[1, 11, 31, 37, 121, 151, 341, 407, 1147, 1661, 3751, 4477, 4681, 5587, 12617, 18271, 51491, 61457, 138787, 173197, 566401, 676027, 1905167, 20956837]

約数ペア:

[(1, 20956837), (11, 1905167), (31, 676027), (37, 566401), (121, 173197), (151, 138787), (341, 61457), (407, 51491), (1147, 18271), (1661, 12617), (3751, 5587), (4477, 4681)]