20164928

素因数分解:

$2^6\times 7^1\times {\mathrm{19}}^1\times {\mathrm{23}}^1\times {\mathrm{103}}^1$

素因数の和:164

約数の個数: 112

約数和(自身を含む): 50718720

約数和(自身を除く): 30553792

約数列:

[1, 2, 4, 7, 8, 14, 16, 19, 23, 28, 32, 38, 46, 56, 64, 76, 92, 103, 112, 133, 152, 161, 184, 206, 224, 266, 304, 322, 368, 412, 437, 448, 532, 608, 644, 721, 736, 824, 874, 1064, 1216, 1288, 1442, 1472, 1648, 1748, 1957, 2128, 2369, 2576, 2884, 3059, 3296, 3496, 3914, 4256, 4738, 5152, 5768, 6118, 6592, 6992, 7828, 8512, 9476, 10304, 11536, 12236, 13699, 13984, 15656, 16583, 18952, 23072, 24472, 27398, 27968, 31312, 33166, 37904, 45011, 46144, 48944, 54796, 62624, 66332, 75808, 90022, 97888, 109592, 125248, 132664, 151616, 180044, 195776, 219184, 265328, 315077, 360088, 438368, 530656, 630154, 720176, 876736, 1061312, 1260308, 1440352, 2520616, 2880704, 5041232, 10082464, 20164928]

約数ペア:

[(1, 20164928), (2, 10082464), (4, 5041232), (7, 2880704), (8, 2520616), (14, 1440352), (16, 1260308), (19, 1061312), (23, 876736), (28, 720176), (32, 630154), (38, 530656), (46, 438368), (56, 360088), (64, 315077), (76, 265328), (92, 219184), (103, 195776), (112, 180044), (133, 151616), (152, 132664), (161, 125248), (184, 109592), (206, 97888), (224, 90022), (266, 75808), (304, 66332), (322, 62624), (368, 54796), (412, 48944), (437, 46144), (448, 45011), (532, 37904), (608, 33166), (644, 31312), (721, 27968), (736, 27398), (824, 24472), (874, 23072), (1064, 18952), (1216, 16583), (1288, 15656), (1442, 13984), (1472, 13699), (1648, 12236), (1748, 11536), (1957, 10304), (2128, 9476), (2369, 8512), (2576, 7828), (2884, 6992), (3059, 6592), (3296, 6118), (3496, 5768), (3914, 5152), (4256, 4738)]