20535865

素因数分解:

$5^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{30881}}^1$

素因数の和:30912

約数の個数: 16

約数和(自身を含む): 29646720

約数和(自身を除く): 9110855

約数列:

[1, 5, 7, 19, 35, 95, 133, 665, 30881, 154405, 216167, 586739, 1080835, 2933695, 4107173, 20535865]

約数ペア:

[(1, 20535865), (5, 4107173), (7, 2933695), (19, 1080835), (35, 586739), (95, 216167), (133, 154405), (665, 30881)]