20685312

素因数分解:

$2^9\times 3^2\times {\mathrm{67}}^2$

素因数の和:158

約数の個数: 90

約数和(自身を含む): 60603543

約数和(自身を除く): 39918231

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 16, 18, 24, 32, 36, 48, 64, 67, 72, 96, 128, 134, 144, 192, 201, 256, 268, 288, 384, 402, 512, 536, 576, 603, 768, 804, 1072, 1152, 1206, 1536, 1608, 2144, 2304, 2412, 3216, 4288, 4489, 4608, 4824, 6432, 8576, 8978, 9648, 12864, 13467, 17152, 17956, 19296, 25728, 26934, 34304, 35912, 38592, 40401, 51456, 53868, 71824, 77184, 80802, 102912, 107736, 143648, 154368, 161604, 215472, 287296, 308736, 323208, 430944, 574592, 646416, 861888, 1149184, 1292832, 1723776, 2298368, 2585664, 3447552, 5171328, 6895104, 10342656, 20685312]

約数ペア:

[(1, 20685312), (2, 10342656), (3, 6895104), (4, 5171328), (6, 3447552), (8, 2585664), (9, 2298368), (12, 1723776), (16, 1292832), (18, 1149184), (24, 861888), (32, 646416), (36, 574592), (48, 430944), (64, 323208), (67, 308736), (72, 287296), (96, 215472), (128, 161604), (134, 154368), (144, 143648), (192, 107736), (201, 102912), (256, 80802), (268, 77184), (288, 71824), (384, 53868), (402, 51456), (512, 40401), (536, 38592), (576, 35912), (603, 34304), (768, 26934), (804, 25728), (1072, 19296), (1152, 17956), (1206, 17152), (1536, 13467), (1608, 12864), (2144, 9648), (2304, 8978), (2412, 8576), (3216, 6432), (4288, 4824), (4489, 4608)]