20454007

素因数分解:

$7^1\times {\mathrm{37}}^1\times {\mathrm{151}}^1\times {\mathrm{523}}^1$

素因数の和:718

約数の個数: 16

約数和(自身を含む): 24212992

約数和(自身を除く): 3758985

約数列:

[1, 7, 37, 151, 259, 523, 1057, 3661, 5587, 19351, 39109, 78973, 135457, 552811, 2922001, 20454007]

約数ペア:

[(1, 20454007), (7, 2922001), (37, 552811), (151, 135457), (259, 78973), (523, 39109), (1057, 19351), (3661, 5587)]