20158542

素因数分解:

$2^1\times 3^2\times {\mathrm{83}}^1\times {\mathrm{103}}^1\times {\mathrm{131}}^1$

素因数の和:325

約数の個数: 48

約数和(自身を含む): 44972928

約数和(自身を除く): 24814386

約数列:

[1, 2, 3, 6, 9, 18, 83, 103, 131, 166, 206, 249, 262, 309, 393, 498, 618, 747, 786, 927, 1179, 1494, 1854, 2358, 8549, 10873, 13493, 17098, 21746, 25647, 26986, 32619, 40479, 51294, 65238, 76941, 80958, 97857, 121437, 153882, 195714, 242874, 1119919, 2239838, 3359757, 6719514, 10079271, 20158542]

約数ペア:

[(1, 20158542), (2, 10079271), (3, 6719514), (6, 3359757), (9, 2239838), (18, 1119919), (83, 242874), (103, 195714), (131, 153882), (166, 121437), (206, 97857), (249, 80958), (262, 76941), (309, 65238), (393, 51294), (498, 40479), (618, 32619), (747, 26986), (786, 25647), (927, 21746), (1179, 17098), (1494, 13493), (1854, 10873), (2358, 8549)]