20172984601

素因数分解:

$7^1\times {\mathrm{11}}^2\times {\mathrm{17}}^1\times {\mathrm{23}}^1\times {\mathrm{60913}}^1$

素因数の和:60982

約数の個数: 48

約数和(自身を含む): 27998998272

約数和(自身を除く): 7826013671

約数列:

[1, 7, 11, 17, 23, 77, 119, 121, 161, 187, 253, 391, 847, 1309, 1771, 2057, 2737, 2783, 4301, 14399, 19481, 30107, 47311, 60913, 331177, 426391, 670043, 1035521, 1400999, 4690301, 7248647, 7370473, 9806993, 11390731, 15410989, 23816983, 51593311, 79735117, 107876923, 125298041, 166718881, 169520879, 261986813, 877086287, 1186646153, 1833907691, 2881854943, 20172984601]

約数ペア:

[(1, 20172984601), (7, 2881854943), (11, 1833907691), (17, 1186646153), (23, 877086287), (77, 261986813), (119, 169520879), (121, 166718881), (161, 125298041), (187, 107876923), (253, 79735117), (391, 51593311), (847, 23816983), (1309, 15410989), (1771, 11390731), (2057, 9806993), (2737, 7370473), (2783, 7248647), (4301, 4690301), (14399, 1400999), (19481, 1035521), (30107, 670043), (47311, 426391), (60913, 331177)]