20956985

素因数分解:

$5^1\times 7^1\times {\mathrm{37}}^1\times {\mathrm{16183}}^1$

素因数の和:16232

約数の個数: 16

約数和(自身を含む): 29519616

約数和(自身を除く): 8562631

約数列:

[1, 5, 7, 35, 37, 185, 259, 1295, 16183, 80915, 113281, 566405, 598771, 2993855, 4191397, 20956985]

約数ペア:

[(1, 20956985), (5, 4191397), (7, 2993855), (35, 598771), (37, 566405), (185, 113281), (259, 80915), (1295, 16183)]