20020492816

素因数分解:

$2^4\times {\mathrm{17}}^1\times {\mathrm{173}}^1\times {\mathrm{401}}^1\times {\mathrm{1061}}^1$

素因数の和:1660

約数の個数: 80

約数和(自身を含む): 41450905008

約数和(自身を除く): 21430412192

約数列:

[1, 2, 4, 8, 16, 17, 34, 68, 136, 173, 272, 346, 401, 692, 802, 1061, 1384, 1604, 2122, 2768, 2941, 3208, 4244, 5882, 6416, 6817, 8488, 11764, 13634, 16976, 18037, 23528, 27268, 36074, 47056, 54536, 69373, 72148, 109072, 138746, 144296, 183553, 277492, 288592, 367106, 425461, 554984, 734212, 850922, 1109968, 1179341, 1468424, 1701844, 2358682, 2936848, 3120401, 3403688, 4717364, 6240802, 6807376, 7232837, 9434728, 12481604, 14465674, 18869456, 24963208, 28931348, 49926416, 57862696, 73604753, 115725392, 147209506, 294419012, 588838024, 1177676048, 1251280801, 2502561602, 5005123204, 10010246408, 20020492816]

約数ペア:

[(1, 20020492816), (2, 10010246408), (4, 5005123204), (8, 2502561602), (16, 1251280801), (17, 1177676048), (34, 588838024), (68, 294419012), (136, 147209506), (173, 115725392), (272, 73604753), (346, 57862696), (401, 49926416), (692, 28931348), (802, 24963208), (1061, 18869456), (1384, 14465674), (1604, 12481604), (2122, 9434728), (2768, 7232837), (2941, 6807376), (3208, 6240802), (4244, 4717364), (5882, 3403688), (6416, 3120401), (6817, 2936848), (8488, 2358682), (11764, 1701844), (13634, 1468424), (16976, 1179341), (18037, 1109968), (23528, 850922), (27268, 734212), (36074, 554984), (47056, 425461), (54536, 367106), (69373, 288592), (72148, 277492), (109072, 183553), (138746, 144296)]