20097805

素因数分解:

$5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{44171}}^1$

素因数の和:44196

約数の個数: 16

約数和(自身を含む): 29683584

約数和(自身を除く): 9585779

約数列:

[1, 5, 7, 13, 35, 65, 91, 455, 44171, 220855, 309197, 574223, 1545985, 2871115, 4019561, 20097805]

約数ペア:

[(1, 20097805), (5, 4019561), (7, 2871115), (13, 1545985), (35, 574223), (65, 309197), (91, 220855), (455, 44171)]