20123136

素因数分解:

$2^9\times 3^2\times {\mathrm{11}}^1\times {\mathrm{397}}^1$

素因数の和:432

約数の個数: 120

約数和(自身を含む): 63516024

約数和(自身を除く): 43392888

約数列:

[1, 2, 3, 4, 6, 8, 9, 11, 12, 16, 18, 22, 24, 32, 33, 36, 44, 48, 64, 66, 72, 88, 96, 99, 128, 132, 144, 176, 192, 198, 256, 264, 288, 352, 384, 396, 397, 512, 528, 576, 704, 768, 792, 794, 1056, 1152, 1191, 1408, 1536, 1584, 1588, 2112, 2304, 2382, 2816, 3168, 3176, 3573, 4224, 4367, 4608, 4764, 5632, 6336, 6352, 7146, 8448, 8734, 9528, 12672, 12704, 13101, 14292, 16896, 17468, 19056, 25344, 25408, 26202, 28584, 34936, 38112, 39303, 50688, 50816, 52404, 57168, 69872, 76224, 78606, 101632, 104808, 114336, 139744, 152448, 157212, 203264, 209616, 228672, 279488, 304896, 314424, 419232, 457344, 558976, 609792, 628848, 838464, 914688, 1117952, 1257696, 1676928, 1829376, 2235904, 2515392, 3353856, 5030784, 6707712, 10061568, 20123136]

約数ペア:

[(1, 20123136), (2, 10061568), (3, 6707712), (4, 5030784), (6, 3353856), (8, 2515392), (9, 2235904), (11, 1829376), (12, 1676928), (16, 1257696), (18, 1117952), (22, 914688), (24, 838464), (32, 628848), (33, 609792), (36, 558976), (44, 457344), (48, 419232), (64, 314424), (66, 304896), (72, 279488), (88, 228672), (96, 209616), (99, 203264), (128, 157212), (132, 152448), (144, 139744), (176, 114336), (192, 104808), (198, 101632), (256, 78606), (264, 76224), (288, 69872), (352, 57168), (384, 52404), (396, 50816), (397, 50688), (512, 39303), (528, 38112), (576, 34936), (704, 28584), (768, 26202), (792, 25408), (794, 25344), (1056, 19056), (1152, 17468), (1191, 16896), (1408, 14292), (1536, 13101), (1584, 12704), (1588, 12672), (2112, 9528), (2304, 8734), (2382, 8448), (2816, 7146), (3168, 6352), (3176, 6336), (3573, 5632), (4224, 4764), (4367, 4608)]