20705256

素因数分解:

$2^3\times 3^2\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{2011}}^1$

素因数の和:2047

約数の個数: 96

約数和(自身を含む): 65913120

約数和(自身を除く): 45207864

約数列:

[1, 2, 3, 4, 6, 8, 9, 11, 12, 13, 18, 22, 24, 26, 33, 36, 39, 44, 52, 66, 72, 78, 88, 99, 104, 117, 132, 143, 156, 198, 234, 264, 286, 312, 396, 429, 468, 572, 792, 858, 936, 1144, 1287, 1716, 2011, 2574, 3432, 4022, 5148, 6033, 8044, 10296, 12066, 16088, 18099, 22121, 24132, 26143, 36198, 44242, 48264, 52286, 66363, 72396, 78429, 88484, 104572, 132726, 144792, 156858, 176968, 199089, 209144, 235287, 265452, 287573, 313716, 398178, 470574, 530904, 575146, 627432, 796356, 862719, 941148, 1150292, 1592712, 1725438, 1882296, 2300584, 2588157, 3450876, 5176314, 6901752, 10352628, 20705256]

約数ペア:

[(1, 20705256), (2, 10352628), (3, 6901752), (4, 5176314), (6, 3450876), (8, 2588157), (9, 2300584), (11, 1882296), (12, 1725438), (13, 1592712), (18, 1150292), (22, 941148), (24, 862719), (26, 796356), (33, 627432), (36, 575146), (39, 530904), (44, 470574), (52, 398178), (66, 313716), (72, 287573), (78, 265452), (88, 235287), (99, 209144), (104, 199089), (117, 176968), (132, 156858), (143, 144792), (156, 132726), (198, 104572), (234, 88484), (264, 78429), (286, 72396), (312, 66363), (396, 52286), (429, 48264), (468, 44242), (572, 36198), (792, 26143), (858, 24132), (936, 22121), (1144, 18099), (1287, 16088), (1716, 12066), (2011, 10296), (2574, 8044), (3432, 6033), (4022, 5148)]