20325376

素因数分解:

$2^{10}\times {\mathrm{23}}^1\times {\mathrm{863}}^1$

素因数の和:906

約数の個数: 44

約数和(自身を含む): 42446592

約数和(自身を除く): 22121216

約数列:

[1, 2, 4, 8, 16, 23, 32, 46, 64, 92, 128, 184, 256, 368, 512, 736, 863, 1024, 1472, 1726, 2944, 3452, 5888, 6904, 11776, 13808, 19849, 23552, 27616, 39698, 55232, 79396, 110464, 158792, 220928, 317584, 441856, 635168, 883712, 1270336, 2540672, 5081344, 10162688, 20325376]

約数ペア:

[(1, 20325376), (2, 10162688), (4, 5081344), (8, 2540672), (16, 1270336), (23, 883712), (32, 635168), (46, 441856), (64, 317584), (92, 220928), (128, 158792), (184, 110464), (256, 79396), (368, 55232), (512, 39698), (736, 27616), (863, 23552), (1024, 19849), (1472, 13808), (1726, 11776), (2944, 6904), (3452, 5888)]