20793695

素因数分解:

$5^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{113}}^1\times {\mathrm{149}}^1$

素因数の和:299

約数の個数: 32

約数和(自身を含む): 28728000

約数和(自身を除く): 7934305

約数列:

[1, 5, 13, 19, 65, 95, 113, 149, 247, 565, 745, 1235, 1469, 1937, 2147, 2831, 7345, 9685, 10735, 14155, 16837, 27911, 36803, 84185, 139555, 184015, 218881, 319903, 1094405, 1599515, 4158739, 20793695]

約数ペア:

[(1, 20793695), (5, 4158739), (13, 1599515), (19, 1094405), (65, 319903), (95, 218881), (113, 184015), (149, 139555), (247, 84185), (565, 36803), (745, 27911), (1235, 16837), (1469, 14155), (1937, 10735), (2147, 9685), (2831, 7345)]