20089856

素因数分解:

$2^{10}\times {\mathrm{23}}^1\times {\mathrm{853}}^1$

素因数の和:896

約数の個数: 44

約数和(自身を含む): 41955312

約数和(自身を除く): 21865456

約数列:

[1, 2, 4, 8, 16, 23, 32, 46, 64, 92, 128, 184, 256, 368, 512, 736, 853, 1024, 1472, 1706, 2944, 3412, 5888, 6824, 11776, 13648, 19619, 23552, 27296, 39238, 54592, 78476, 109184, 156952, 218368, 313904, 436736, 627808, 873472, 1255616, 2511232, 5022464, 10044928, 20089856]

約数ペア:

[(1, 20089856), (2, 10044928), (4, 5022464), (8, 2511232), (16, 1255616), (23, 873472), (32, 627808), (46, 436736), (64, 313904), (92, 218368), (128, 156952), (184, 109184), (256, 78476), (368, 54592), (512, 39238), (736, 27296), (853, 23552), (1024, 19619), (1472, 13648), (1706, 11776), (2944, 6824), (3412, 5888)]