20156749

素因数分解:

${\mathrm{37}}^1\times {\mathrm{47}}^1\times {\mathrm{67}}^1\times {\mathrm{173}}^1$

素因数の和:324

約数の個数: 16

約数和(自身を含む): 21581568

約数和(自身を除く): 1424819

約数列:

[1, 37, 47, 67, 173, 1739, 2479, 3149, 6401, 8131, 11591, 116513, 300847, 428867, 544777, 20156749]

約数ペア:

[(1, 20156749), (37, 544777), (47, 428867), (67, 300847), (173, 116513), (1739, 11591), (2479, 8131), (3149, 6401)]