20815232

素因数分解:

$2^7\times {\mathrm{137}}^1\times {\mathrm{1187}}^1$

素因数の和:1338

約数の個数: 32

約数和(自身を含む): 41805720

約数和(自身を除く): 20990488

約数列:

[1, 2, 4, 8, 16, 32, 64, 128, 137, 274, 548, 1096, 1187, 2192, 2374, 4384, 4748, 8768, 9496, 17536, 18992, 37984, 75968, 151936, 162619, 325238, 650476, 1300952, 2601904, 5203808, 10407616, 20815232]

約数ペア:

[(1, 20815232), (2, 10407616), (4, 5203808), (8, 2601904), (16, 1300952), (32, 650476), (64, 325238), (128, 162619), (137, 151936), (274, 75968), (548, 37984), (1096, 18992), (1187, 17536), (2192, 9496), (2374, 8768), (4384, 4748)]