20112793785

素因数分解:

$3^2\times 5^1\times 7^1\times {\mathrm{23}}^1\times {\mathrm{127}}^1\times {\mathrm{21859}}^1$

素因数の和:22027

約数の個数: 96

約数和(自身を含む): 41904046080

約数和(自身を除く): 21791252295

約数列:

[1, 3, 5, 7, 9, 15, 21, 23, 35, 45, 63, 69, 105, 115, 127, 161, 207, 315, 345, 381, 483, 635, 805, 889, 1035, 1143, 1449, 1905, 2415, 2667, 2921, 4445, 5715, 7245, 8001, 8763, 13335, 14605, 20447, 21859, 26289, 40005, 43815, 61341, 65577, 102235, 109295, 131445, 153013, 184023, 196731, 306705, 327885, 459039, 502757, 765065, 920115, 983655, 1377117, 1508271, 2295195, 2513785, 2776093, 3519299, 4524813, 6885585, 7541355, 8328279, 10557897, 13880465, 17596495, 19432651, 22624065, 24984837, 31673691, 41641395, 52789485, 58297953, 63850139, 97163255, 124924185, 158368455, 174893859, 191550417, 291489765, 319250695, 446950973, 574651251, 874469295, 957752085, 1340852919, 2234754865, 2873256255, 4022558757, 6704264595, 20112793785]

約数ペア:

[(1, 20112793785), (3, 6704264595), (5, 4022558757), (7, 2873256255), (9, 2234754865), (15, 1340852919), (21, 957752085), (23, 874469295), (35, 574651251), (45, 446950973), (63, 319250695), (69, 291489765), (105, 191550417), (115, 174893859), (127, 158368455), (161, 124924185), (207, 97163255), (315, 63850139), (345, 58297953), (381, 52789485), (483, 41641395), (635, 31673691), (805, 24984837), (889, 22624065), (1035, 19432651), (1143, 17596495), (1449, 13880465), (1905, 10557897), (2415, 8328279), (2667, 7541355), (2921, 6885585), (4445, 4524813), (5715, 3519299), (7245, 2776093), (8001, 2513785), (8763, 2295195), (13335, 1508271), (14605, 1377117), (20447, 983655), (21859, 920115), (26289, 765065), (40005, 502757), (43815, 459039), (61341, 327885), (65577, 306705), (102235, 196731), (109295, 184023), (131445, 153013)]