20185685

素因数分解:

$5^1\times {\mathrm{13}}^1\times {\mathrm{79}}^1\times {\mathrm{3931}}^1$

素因数の和:4028

約数の個数: 16

約数和(自身を含む): 26423040

約数和(自身を除く): 6237355

約数列:

[1, 5, 13, 65, 79, 395, 1027, 3931, 5135, 19655, 51103, 255515, 310549, 1552745, 4037137, 20185685]

約数ペア:

[(1, 20185685), (5, 4037137), (13, 1552745), (65, 310549), (79, 255515), (395, 51103), (1027, 19655), (3931, 5135)]