20124065

素因数分解:

$5^1\times {\mathrm{13}}^1\times {\mathrm{79}}^1\times {\mathrm{3919}}^1$

素因数の和:4016

約数の個数: 16

約数和(自身を含む): 26342400

約数和(自身を除く): 6218335

約数列:

[1, 5, 13, 65, 79, 395, 1027, 3919, 5135, 19595, 50947, 254735, 309601, 1548005, 4024813, 20124065]

約数ペア:

[(1, 20124065), (5, 4024813), (13, 1548005), (65, 309601), (79, 254735), (395, 50947), (1027, 19595), (3919, 5135)]