20271232

素因数分解:

$2^7\times {\mathrm{29}}^1\times {\mathrm{43}}^1\times {\mathrm{127}}^1$

素因数の和:213

約数の個数: 64

約数和(自身を含む): 43084800

約数和(自身を除く): 22813568

約数列:

[1, 2, 4, 8, 16, 29, 32, 43, 58, 64, 86, 116, 127, 128, 172, 232, 254, 344, 464, 508, 688, 928, 1016, 1247, 1376, 1856, 2032, 2494, 2752, 3683, 3712, 4064, 4988, 5461, 5504, 7366, 8128, 9976, 10922, 14732, 16256, 19952, 21844, 29464, 39904, 43688, 58928, 79808, 87376, 117856, 158369, 159616, 174752, 235712, 316738, 349504, 471424, 633476, 699008, 1266952, 2533904, 5067808, 10135616, 20271232]

約数ペア:

[(1, 20271232), (2, 10135616), (4, 5067808), (8, 2533904), (16, 1266952), (29, 699008), (32, 633476), (43, 471424), (58, 349504), (64, 316738), (86, 235712), (116, 174752), (127, 159616), (128, 158369), (172, 117856), (232, 87376), (254, 79808), (344, 58928), (464, 43688), (508, 39904), (688, 29464), (928, 21844), (1016, 19952), (1247, 16256), (1376, 14732), (1856, 10922), (2032, 9976), (2494, 8128), (2752, 7366), (3683, 5504), (3712, 5461), (4064, 4988)]