20906479

素因数分解:

${\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{67}}^1\times {\mathrm{1493}}^1$

素因数の和:1590

約数の個数: 16

約数和(自身を含む): 24382080

約数和(自身を除く): 3475601

約数列:

[1, 11, 19, 67, 209, 737, 1273, 1493, 14003, 16423, 28367, 100031, 312037, 1100341, 1900589, 20906479]

約数ペア:

[(1, 20906479), (11, 1900589), (19, 1100341), (67, 312037), (209, 100031), (737, 28367), (1273, 16423), (1493, 14003)]