20199515787

素因数分解:

$3^2\times {\mathrm{11}}^2\times {\mathrm{17}}^1\times {\mathrm{131}}^1\times {\mathrm{8329}}^1$

素因数の和:8505

約数の個数: 72

約数和(自身を含む): 34220506320

約数和(自身を除く): 14020990533

約数列:

[1, 3, 9, 11, 17, 33, 51, 99, 121, 131, 153, 187, 363, 393, 561, 1089, 1179, 1441, 1683, 2057, 2227, 4323, 6171, 6681, 8329, 12969, 15851, 18513, 20043, 24497, 24987, 47553, 73491, 74961, 91619, 141593, 142659, 220473, 269467, 274857, 424779, 808401, 824571, 1007809, 1091099, 1274337, 1557523, 2425203, 3023427, 3273297, 4672569, 9070281, 9819891, 12002089, 14017707, 17132753, 18548683, 36006267, 51398259, 55646049, 108018801, 132022979, 154194777, 166938147, 204035513, 396068937, 612106539, 1188206811, 1836319617, 2244390643, 6733171929, 20199515787]

約数ペア:

[(1, 20199515787), (3, 6733171929), (9, 2244390643), (11, 1836319617), (17, 1188206811), (33, 612106539), (51, 396068937), (99, 204035513), (121, 166938147), (131, 154194777), (153, 132022979), (187, 108018801), (363, 55646049), (393, 51398259), (561, 36006267), (1089, 18548683), (1179, 17132753), (1441, 14017707), (1683, 12002089), (2057, 9819891), (2227, 9070281), (4323, 4672569), (6171, 3273297), (6681, 3023427), (8329, 2425203), (12969, 1557523), (15851, 1274337), (18513, 1091099), (20043, 1007809), (24497, 824571), (24987, 808401), (47553, 424779), (73491, 274857), (74961, 269467), (91619, 220473), (141593, 142659)]