20131896951

素因数分解:

$3^3\times {\mathrm{37}}^1\times {\mathrm{47}}^1\times {\mathrm{157}}^1\times {\mathrm{2731}}^1$

素因数の和:2981

約数の個数: 64

約数和(自身を含む): 31493621760

約数和(自身を除く): 11361724809

約数列:

[1, 3, 9, 27, 37, 47, 111, 141, 157, 333, 423, 471, 999, 1269, 1413, 1739, 2731, 4239, 5217, 5809, 7379, 8193, 15651, 17427, 22137, 24579, 46953, 52281, 66411, 73737, 101047, 128357, 156843, 199233, 273023, 303141, 385071, 428767, 819069, 909423, 1155213, 1286301, 2457207, 2728269, 3465639, 3858903, 4749209, 7371621, 11576709, 14247627, 15864379, 20152049, 42742881, 47593137, 60456147, 128228643, 142779411, 181368441, 428338233, 544105323, 745625813, 2236877439, 6710632317, 20131896951]

約数ペア:

[(1, 20131896951), (3, 6710632317), (9, 2236877439), (27, 745625813), (37, 544105323), (47, 428338233), (111, 181368441), (141, 142779411), (157, 128228643), (333, 60456147), (423, 47593137), (471, 42742881), (999, 20152049), (1269, 15864379), (1413, 14247627), (1739, 11576709), (2731, 7371621), (4239, 4749209), (5217, 3858903), (5809, 3465639), (7379, 2728269), (8193, 2457207), (15651, 1286301), (17427, 1155213), (22137, 909423), (24579, 819069), (46953, 428767), (52281, 385071), (66411, 303141), (73737, 273023), (101047, 199233), (128357, 156843)]