20161578514

素因数分解:

$2^1\times 7^2\times {\mathrm{11}}^1\times {\mathrm{251}}^1\times {\mathrm{269}}^1\times {\mathrm{277}}^1$

素因数の和:824

約数の個数: 96

約数和(自身を含む): 38813826240

約数和(自身を除く): 18652247726

約数列:

[1, 2, 7, 11, 14, 22, 49, 77, 98, 154, 251, 269, 277, 502, 538, 539, 554, 1078, 1757, 1883, 1939, 2761, 2959, 3047, 3514, 3766, 3878, 5522, 5918, 6094, 12299, 13181, 13573, 19327, 20713, 21329, 24598, 26362, 27146, 38654, 41426, 42658, 67519, 69527, 74513, 135038, 135289, 139054, 144991, 149026, 149303, 270578, 289982, 298606, 472633, 486689, 521591, 742709, 764797, 819643, 945266, 973378, 1043182, 1485418, 1529594, 1639286, 3308431, 3406823, 3651137, 5198963, 5353579, 5737501, 6616862, 6813646, 7302274, 10397926, 10707158, 11475002, 18702763, 36392741, 37405526, 37475053, 40162507, 72785482, 74950106, 80325014, 130919341, 205730393, 261838682, 411460786, 916435387, 1440112751, 1832870774, 2880225502, 10080789257, 20161578514]

約数ペア:

[(1, 20161578514), (2, 10080789257), (7, 2880225502), (11, 1832870774), (14, 1440112751), (22, 916435387), (49, 411460786), (77, 261838682), (98, 205730393), (154, 130919341), (251, 80325014), (269, 74950106), (277, 72785482), (502, 40162507), (538, 37475053), (539, 37405526), (554, 36392741), (1078, 18702763), (1757, 11475002), (1883, 10707158), (1939, 10397926), (2761, 7302274), (2959, 6813646), (3047, 6616862), (3514, 5737501), (3766, 5353579), (3878, 5198963), (5522, 3651137), (5918, 3406823), (6094, 3308431), (12299, 1639286), (13181, 1529594), (13573, 1485418), (19327, 1043182), (20713, 973378), (21329, 945266), (24598, 819643), (26362, 764797), (27146, 742709), (38654, 521591), (41426, 486689), (42658, 472633), (67519, 298606), (69527, 289982), (74513, 270578), (135038, 149303), (135289, 149026), (139054, 144991)]