20316544

素因数分解:

$2^7\times {\mathrm{23}}^1\times {\mathrm{67}}^1\times {\mathrm{103}}^1$

素因数の和:207

約数の個数: 64

約数和(自身を含む): 43280640

約数和(自身を除く): 22964096

約数列:

[1, 2, 4, 8, 16, 23, 32, 46, 64, 67, 92, 103, 128, 134, 184, 206, 268, 368, 412, 536, 736, 824, 1072, 1472, 1541, 1648, 2144, 2369, 2944, 3082, 3296, 4288, 4738, 6164, 6592, 6901, 8576, 9476, 12328, 13184, 13802, 18952, 24656, 27604, 37904, 49312, 55208, 75808, 98624, 110416, 151616, 158723, 197248, 220832, 303232, 317446, 441664, 634892, 883328, 1269784, 2539568, 5079136, 10158272, 20316544]

約数ペア:

[(1, 20316544), (2, 10158272), (4, 5079136), (8, 2539568), (16, 1269784), (23, 883328), (32, 634892), (46, 441664), (64, 317446), (67, 303232), (92, 220832), (103, 197248), (128, 158723), (134, 151616), (184, 110416), (206, 98624), (268, 75808), (368, 55208), (412, 49312), (536, 37904), (736, 27604), (824, 24656), (1072, 18952), (1472, 13802), (1541, 13184), (1648, 12328), (2144, 9476), (2369, 8576), (2944, 6901), (3082, 6592), (3296, 6164), (4288, 4738)]