20342355

素因数分解:

$3^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{31}}^1\times {\mathrm{41}}^1\times {\mathrm{97}}^1$

素因数の和:188

約数の個数: 64

約数和(自身を含む): 37933056

約数和(自身を除く): 17590701

約数列:

[1, 3, 5, 11, 15, 31, 33, 41, 55, 93, 97, 123, 155, 165, 205, 291, 341, 451, 465, 485, 615, 1023, 1067, 1271, 1353, 1455, 1705, 2255, 3007, 3201, 3813, 3977, 5115, 5335, 6355, 6765, 9021, 11931, 13981, 15035, 16005, 19065, 19885, 33077, 41943, 43747, 45105, 59655, 69905, 99231, 123287, 131241, 165385, 209715, 218735, 369861, 496155, 616435, 656205, 1356157, 1849305, 4068471, 6780785, 20342355]

約数ペア:

[(1, 20342355), (3, 6780785), (5, 4068471), (11, 1849305), (15, 1356157), (31, 656205), (33, 616435), (41, 496155), (55, 369861), (93, 218735), (97, 209715), (123, 165385), (155, 131241), (165, 123287), (205, 99231), (291, 69905), (341, 59655), (451, 45105), (465, 43747), (485, 41943), (615, 33077), (1023, 19885), (1067, 19065), (1271, 16005), (1353, 15035), (1455, 13981), (1705, 11931), (2255, 9021), (3007, 6765), (3201, 6355), (3813, 5335), (3977, 5115)]