20161804564

素因数分解:

$2^2\times {\mathrm{11}}^2\times {\mathrm{79}}^1\times {\mathrm{83}}^1\times {\mathrm{6353}}^1$

素因数の和:6541

約数の個数: 72

約数和(自身を含む): 39752657280

約数和(自身を除く): 19590852716

約数列:

[1, 2, 4, 11, 22, 44, 79, 83, 121, 158, 166, 242, 316, 332, 484, 869, 913, 1738, 1826, 3476, 3652, 6353, 6557, 9559, 10043, 12706, 13114, 19118, 20086, 25412, 26228, 38236, 40172, 69883, 72127, 139766, 144254, 279532, 288508, 501887, 527299, 768713, 793397, 1003774, 1054598, 1537426, 1586794, 2007548, 2109196, 3074852, 3173588, 5520757, 5800289, 11041514, 11600578, 22083028, 23201156, 41656621, 60728327, 63803179, 83313242, 121456654, 127606358, 166626484, 242913308, 255212716, 458222831, 916445662, 1832891324, 5040451141, 10080902282, 20161804564]

約数ペア:

[(1, 20161804564), (2, 10080902282), (4, 5040451141), (11, 1832891324), (22, 916445662), (44, 458222831), (79, 255212716), (83, 242913308), (121, 166626484), (158, 127606358), (166, 121456654), (242, 83313242), (316, 63803179), (332, 60728327), (484, 41656621), (869, 23201156), (913, 22083028), (1738, 11600578), (1826, 11041514), (3476, 5800289), (3652, 5520757), (6353, 3173588), (6557, 3074852), (9559, 2109196), (10043, 2007548), (12706, 1586794), (13114, 1537426), (19118, 1054598), (20086, 1003774), (25412, 793397), (26228, 768713), (38236, 527299), (40172, 501887), (69883, 288508), (72127, 279532), (139766, 144254)]