20223357959

素因数分解:

$7^2\times {\mathrm{19}}^1\times {\mathrm{23}}^1\times {\mathrm{29}}^2\times {\mathrm{1123}}^1$

素因数の和:1237

約数の個数: 72

約数和(自身を含む): 26785549440

約数和(自身を除く): 6562191481

約数列:

[1, 7, 19, 23, 29, 49, 133, 161, 203, 437, 551, 667, 841, 931, 1123, 1127, 1421, 3059, 3857, 4669, 5887, 7861, 12673, 15979, 19343, 21337, 21413, 25829, 26999, 32567, 32683, 41209, 55027, 88711, 111853, 135401, 149359, 180803, 227969, 367517, 490751, 618773, 620977, 749041, 782971, 944443, 947807, 1045513, 1265621, 1595783, 2572619, 3435257, 4331411, 5243287, 6611101, 14231779, 17944417, 18008333, 21722189, 24046799, 30319877, 36703009, 46277707, 99622453, 125610919, 152055323, 412721591, 697357171, 879276433, 1064387261, 2889051137, 20223357959]

約数ペア:

[(1, 20223357959), (7, 2889051137), (19, 1064387261), (23, 879276433), (29, 697357171), (49, 412721591), (133, 152055323), (161, 125610919), (203, 99622453), (437, 46277707), (551, 36703009), (667, 30319877), (841, 24046799), (931, 21722189), (1123, 18008333), (1127, 17944417), (1421, 14231779), (3059, 6611101), (3857, 5243287), (4669, 4331411), (5887, 3435257), (7861, 2572619), (12673, 1595783), (15979, 1265621), (19343, 1045513), (21337, 947807), (21413, 944443), (25829, 782971), (26999, 749041), (32567, 620977), (32683, 618773), (41209, 490751), (55027, 367517), (88711, 227969), (111853, 180803), (135401, 149359)]