20123077667

素因数分解:

$7^1\times {\mathrm{11}}^2\times {\mathrm{17}}^1\times {\mathrm{59}}^1\times {\mathrm{23687}}^1$

素因数の和:23792

約数の個数: 48

約数和(自身を含む): 27220354560

約数和(自身を除く): 7097276893

約数列:

[1, 7, 11, 17, 59, 77, 119, 121, 187, 413, 649, 847, 1003, 1309, 2057, 4543, 7021, 7139, 11033, 14399, 23687, 49973, 77231, 121363, 165809, 260557, 402679, 849541, 1397533, 1823899, 2818753, 2866127, 4429469, 9782731, 15372863, 20062889, 23758061, 31006283, 48724159, 107610041, 166306427, 169101493, 261338671, 341069113, 1183710451, 1829370697, 2874725381, 20123077667]

約数ペア:

[(1, 20123077667), (7, 2874725381), (11, 1829370697), (17, 1183710451), (59, 341069113), (77, 261338671), (119, 169101493), (121, 166306427), (187, 107610041), (413, 48724159), (649, 31006283), (847, 23758061), (1003, 20062889), (1309, 15372863), (2057, 9782731), (4543, 4429469), (7021, 2866127), (7139, 2818753), (11033, 1823899), (14399, 1397533), (23687, 849541), (49973, 402679), (77231, 260557), (121363, 165809)]