20139587991

素因数分解:

$3^2\times {\mathrm{59}}^1\times {\mathrm{73}}^1\times {\mathrm{127}}^1\times {\mathrm{4091}}^1$

素因数の和:4356

約数の個数: 48

約数和(自身を含む): 30232350720

約数和(自身を除く): 10092762729

約数列:

[1, 3, 9, 59, 73, 127, 177, 219, 381, 531, 657, 1143, 4091, 4307, 7493, 9271, 12273, 12921, 22479, 27813, 36819, 38763, 67437, 83439, 241369, 298643, 519557, 546989, 724107, 895929, 1558671, 1640967, 2172321, 2687787, 4676013, 4922901, 17619937, 30653863, 37927661, 52859811, 91961589, 113782983, 158579433, 275884767, 341348949, 2237731999, 6713195997, 20139587991]

約数ペア:

[(1, 20139587991), (3, 6713195997), (9, 2237731999), (59, 341348949), (73, 275884767), (127, 158579433), (177, 113782983), (219, 91961589), (381, 52859811), (531, 37927661), (657, 30653863), (1143, 17619937), (4091, 4922901), (4307, 4676013), (7493, 2687787), (9271, 2172321), (12273, 1640967), (12921, 1558671), (22479, 895929), (27813, 724107), (36819, 546989), (38763, 519557), (67437, 298643), (83439, 241369)]