20123432559

素因数分解:

$3^4\times {\mathrm{17}}^1\times {\mathrm{131}}^1\times {\mathrm{281}}^1\times {\mathrm{397}}^1$

素因数の和:838

約数の個数: 80

約数和(自身を含む): 32267401056

約数和(自身を除く): 12143968497

約数列:

[1, 3, 9, 17, 27, 51, 81, 131, 153, 281, 393, 397, 459, 843, 1179, 1191, 1377, 2227, 2529, 3537, 3573, 4777, 6681, 6749, 7587, 10611, 10719, 14331, 20043, 20247, 22761, 32157, 36811, 42993, 52007, 60129, 60741, 110433, 111557, 128979, 156021, 180387, 182223, 331299, 334671, 386937, 468063, 546669, 625787, 884119, 993897, 1004013, 1404189, 1877361, 1896469, 2652357, 2981691, 3012039, 4212567, 5632083, 5689407, 7957071, 9036117, 14613967, 16896249, 17068221, 23871213, 43841901, 50688747, 51204663, 71613639, 131525703, 153613989, 248437439, 394577109, 745312317, 1183731327, 2235936951, 6707810853, 20123432559]

約数ペア:

[(1, 20123432559), (3, 6707810853), (9, 2235936951), (17, 1183731327), (27, 745312317), (51, 394577109), (81, 248437439), (131, 153613989), (153, 131525703), (281, 71613639), (393, 51204663), (397, 50688747), (459, 43841901), (843, 23871213), (1179, 17068221), (1191, 16896249), (1377, 14613967), (2227, 9036117), (2529, 7957071), (3537, 5689407), (3573, 5632083), (4777, 4212567), (6681, 3012039), (6749, 2981691), (7587, 2652357), (10611, 1896469), (10719, 1877361), (14331, 1404189), (20043, 1004013), (20247, 993897), (22761, 884119), (32157, 625787), (36811, 546669), (42993, 468063), (52007, 386937), (60129, 334671), (60741, 331299), (110433, 182223), (111557, 180387), (128979, 156021)]