20694765

素因数分解:

$3^1\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{15161}}^1$

素因数の和:15189

約数の個数: 32

約数和(自身を含む): 40755456

約数和(自身を除く): 20060691

約数列:

[1, 3, 5, 7, 13, 15, 21, 35, 39, 65, 91, 105, 195, 273, 455, 1365, 15161, 45483, 75805, 106127, 197093, 227415, 318381, 530635, 591279, 985465, 1379651, 1591905, 2956395, 4138953, 6898255, 20694765]

約数ペア:

[(1, 20694765), (3, 6898255), (5, 4138953), (7, 2956395), (13, 1591905), (15, 1379651), (21, 985465), (35, 591279), (39, 530635), (65, 318381), (91, 227415), (105, 197093), (195, 106127), (273, 75805), (455, 45483), (1365, 15161)]