20804726888

素因数分解:

$2^3\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{157}}^1\times {\mathrm{283}}^1\times {\mathrm{313}}^1$

素因数の和:787

約数の個数: 128

約数和(自身を含む): 45650977920

約数和(自身を除く): 24846251032

約数列:

[1, 2, 4, 8, 11, 17, 22, 34, 44, 68, 88, 136, 157, 187, 283, 313, 314, 374, 566, 626, 628, 748, 1132, 1252, 1256, 1496, 1727, 2264, 2504, 2669, 3113, 3443, 3454, 4811, 5321, 5338, 6226, 6886, 6908, 9622, 10642, 10676, 12452, 13772, 13816, 19244, 21284, 21352, 24904, 27544, 29359, 38488, 42568, 44431, 49141, 52921, 58531, 58718, 88579, 88862, 98282, 105842, 117062, 117436, 177158, 177724, 196564, 211684, 234124, 234872, 354316, 355448, 393128, 423368, 468248, 488741, 540551, 708632, 755327, 835397, 974369, 977482, 1081102, 1505843, 1510654, 1670794, 1948738, 1954964, 2162204, 3011686, 3021308, 3341588, 3897476, 3909928, 4324408, 6023372, 6042616, 6683176, 7794952, 8308597, 9189367, 12046744, 13906903, 16564273, 16617194, 18378734, 27813806, 33128546, 33234388, 36757468, 55627612, 66257092, 66468776, 73514936, 111255224, 132514184, 152975933, 236417351, 305951866, 472834702, 611903732, 945669404, 1223807464, 1891338808, 2600590861, 5201181722, 10402363444, 20804726888]

約数ペア:

[(1, 20804726888), (2, 10402363444), (4, 5201181722), (8, 2600590861), (11, 1891338808), (17, 1223807464), (22, 945669404), (34, 611903732), (44, 472834702), (68, 305951866), (88, 236417351), (136, 152975933), (157, 132514184), (187, 111255224), (283, 73514936), (313, 66468776), (314, 66257092), (374, 55627612), (566, 36757468), (626, 33234388), (628, 33128546), (748, 27813806), (1132, 18378734), (1252, 16617194), (1256, 16564273), (1496, 13906903), (1727, 12046744), (2264, 9189367), (2504, 8308597), (2669, 7794952), (3113, 6683176), (3443, 6042616), (3454, 6023372), (4811, 4324408), (5321, 3909928), (5338, 3897476), (6226, 3341588), (6886, 3021308), (6908, 3011686), (9622, 2162204), (10642, 1954964), (10676, 1948738), (12452, 1670794), (13772, 1510654), (13816, 1505843), (19244, 1081102), (21284, 977482), (21352, 974369), (24904, 835397), (27544, 755327), (29359, 708632), (38488, 540551), (42568, 488741), (44431, 468248), (49141, 423368), (52921, 393128), (58531, 355448), (58718, 354316), (88579, 234872), (88862, 234124), (98282, 211684), (105842, 196564), (117062, 177724), (117436, 177158)]