20580667360

素因数分解:

$2^5\times 5^1\times {\mathrm{11}}^3\times {\mathrm{241}}^1\times {\mathrm{401}}^1$

素因数の和:690

約数の個数: 192

約数和(自身を含む): 53836187328

約数和(自身を除く): 33255519968

約数列:

[1, 2, 4, 5, 8, 10, 11, 16, 20, 22, 32, 40, 44, 55, 80, 88, 110, 121, 160, 176, 220, 241, 242, 352, 401, 440, 482, 484, 605, 802, 880, 964, 968, 1205, 1210, 1331, 1604, 1760, 1928, 1936, 2005, 2410, 2420, 2651, 2662, 3208, 3856, 3872, 4010, 4411, 4820, 4840, 5302, 5324, 6416, 6655, 7712, 8020, 8822, 9640, 9680, 10604, 10648, 12832, 13255, 13310, 16040, 17644, 19280, 19360, 21208, 21296, 22055, 26510, 26620, 29161, 32080, 35288, 38560, 42416, 42592, 44110, 48521, 53020, 53240, 58322, 64160, 70576, 84832, 88220, 96641, 97042, 106040, 106480, 116644, 141152, 145805, 176440, 193282, 194084, 212080, 212960, 233288, 242605, 291610, 320771, 352880, 386564, 388168, 424160, 466576, 483205, 485210, 533731, 583220, 641542, 705760, 773128, 776336, 933152, 966410, 970420, 1063051, 1067462, 1166440, 1283084, 1546256, 1552672, 1603855, 1932820, 1940840, 2126102, 2134924, 2332880, 2566168, 2668655, 3092512, 3207710, 3865640, 3881680, 4252204, 4269848, 4665760, 5132336, 5315255, 5337310, 6415420, 7731280, 7763360, 8504408, 8539696, 10264672, 10630510, 10674620, 11693561, 12830840, 15462560, 17008816, 17079392, 21261020, 21349240, 23387122, 25661680, 34017632, 42522040, 42698480, 46774244, 51323360, 58467805, 85044080, 85396960, 93548488, 116935610, 128629171, 170088160, 187096976, 233871220, 257258342, 374193952, 467742440, 514516684, 643145855, 935484880, 1029033368, 1286291710, 1870969760, 2058066736, 2572583420, 4116133472, 5145166840, 10290333680, 20580667360]

約数ペア:

[(1, 20580667360), (2, 10290333680), (4, 5145166840), (5, 4116133472), (8, 2572583420), (10, 2058066736), (11, 1870969760), (16, 1286291710), (20, 1029033368), (22, 935484880), (32, 643145855), (40, 514516684), (44, 467742440), (55, 374193952), (80, 257258342), (88, 233871220), (110, 187096976), (121, 170088160), (160, 128629171), (176, 116935610), (220, 93548488), (241, 85396960), (242, 85044080), (352, 58467805), (401, 51323360), (440, 46774244), (482, 42698480), (484, 42522040), (605, 34017632), (802, 25661680), (880, 23387122), (964, 21349240), (968, 21261020), (1205, 17079392), (1210, 17008816), (1331, 15462560), (1604, 12830840), (1760, 11693561), (1928, 10674620), (1936, 10630510), (2005, 10264672), (2410, 8539696), (2420, 8504408), (2651, 7763360), (2662, 7731280), (3208, 6415420), (3856, 5337310), (3872, 5315255), (4010, 5132336), (4411, 4665760), (4820, 4269848), (4840, 4252204), (5302, 3881680), (5324, 3865640), (6416, 3207710), (6655, 3092512), (7712, 2668655), (8020, 2566168), (8822, 2332880), (9640, 2134924), (9680, 2126102), (10604, 1940840), (10648, 1932820), (12832, 1603855), (13255, 1552672), (13310, 1546256), (16040, 1283084), (17644, 1166440), (19280, 1067462), (19360, 1063051), (21208, 970420), (21296, 966410), (22055, 933152), (26510, 776336), (26620, 773128), (29161, 705760), (32080, 641542), (35288, 583220), (38560, 533731), (42416, 485210), (42592, 483205), (44110, 466576), (48521, 424160), (53020, 388168), (53240, 386564), (58322, 352880), (64160, 320771), (70576, 291610), (84832, 242605), (88220, 233288), (96641, 212960), (97042, 212080), (106040, 194084), (106480, 193282), (116644, 176440), (141152, 145805)]