20739528048

素因数分解:

$2^4\times 3^1\times {\mathrm{131}}^1\times {\mathrm{1297}}^1\times {\mathrm{2543}}^1$

素因数の和:3982

約数の個数: 80

約数和(自身を含む): 54048969216

約数和(自身を除く): 33309441168

約数列:

[1, 2, 3, 4, 6, 8, 12, 16, 24, 48, 131, 262, 393, 524, 786, 1048, 1297, 1572, 2096, 2543, 2594, 3144, 3891, 5086, 5188, 6288, 7629, 7782, 10172, 10376, 15258, 15564, 20344, 20752, 30516, 31128, 40688, 61032, 62256, 122064, 169907, 333133, 339814, 509721, 666266, 679628, 999399, 1019442, 1332532, 1359256, 1998798, 2038884, 2665064, 2718512, 3298271, 3997596, 4077768, 5330128, 6596542, 7995192, 8155536, 9894813, 13193084, 15990384, 19789626, 26386168, 39579252, 52772336, 79158504, 158317008, 432073501, 864147002, 1296220503, 1728294004, 2592441006, 3456588008, 5184882012, 6913176016, 10369764024, 20739528048]

約数ペア:

[(1, 20739528048), (2, 10369764024), (3, 6913176016), (4, 5184882012), (6, 3456588008), (8, 2592441006), (12, 1728294004), (16, 1296220503), (24, 864147002), (48, 432073501), (131, 158317008), (262, 79158504), (393, 52772336), (524, 39579252), (786, 26386168), (1048, 19789626), (1297, 15990384), (1572, 13193084), (2096, 9894813), (2543, 8155536), (2594, 7995192), (3144, 6596542), (3891, 5330128), (5086, 4077768), (5188, 3997596), (6288, 3298271), (7629, 2718512), (7782, 2665064), (10172, 2038884), (10376, 1998798), (15258, 1359256), (15564, 1332532), (20344, 1019442), (20752, 999399), (30516, 679628), (31128, 666266), (40688, 509721), (61032, 339814), (62256, 333133), (122064, 169907)]