20517168

素因数分解:

$2^4\times 3^1\times 7^1\times {\mathrm{227}}^1\times {\mathrm{269}}^1$

素因数の和:514

約数の個数: 80

約数和(自身を含む): 61067520

約数和(自身を除く): 40550352

約数列:

[1, 2, 3, 4, 6, 7, 8, 12, 14, 16, 21, 24, 28, 42, 48, 56, 84, 112, 168, 227, 269, 336, 454, 538, 681, 807, 908, 1076, 1362, 1589, 1614, 1816, 1883, 2152, 2724, 3178, 3228, 3632, 3766, 4304, 4767, 5448, 5649, 6356, 6456, 7532, 9534, 10896, 11298, 12712, 12912, 15064, 19068, 22596, 25424, 30128, 38136, 45192, 61063, 76272, 90384, 122126, 183189, 244252, 366378, 427441, 488504, 732756, 854882, 977008, 1282323, 1465512, 1709764, 2564646, 2931024, 3419528, 5129292, 6839056, 10258584, 20517168]

約数ペア:

[(1, 20517168), (2, 10258584), (3, 6839056), (4, 5129292), (6, 3419528), (7, 2931024), (8, 2564646), (12, 1709764), (14, 1465512), (16, 1282323), (21, 977008), (24, 854882), (28, 732756), (42, 488504), (48, 427441), (56, 366378), (84, 244252), (112, 183189), (168, 122126), (227, 90384), (269, 76272), (336, 61063), (454, 45192), (538, 38136), (681, 30128), (807, 25424), (908, 22596), (1076, 19068), (1362, 15064), (1589, 12912), (1614, 12712), (1816, 11298), (1883, 10896), (2152, 9534), (2724, 7532), (3178, 6456), (3228, 6356), (3632, 5649), (3766, 5448), (4304, 4767)]