20289593

素因数分解:

${\mathrm{31}}^2\times {\mathrm{43}}^1\times {\mathrm{491}}^1$

素因数の和:596

約数の個数: 12

約数和(自身を含む): 21496464

約数和(自身を除く): 1206871

約数列:

[1, 31, 43, 491, 961, 1333, 15221, 21113, 41323, 471851, 654503, 20289593]

約数ペア:

[(1, 20289593), (31, 654503), (43, 471851), (491, 41323), (961, 21113), (1333, 15221)]