20417536

素因数分解:

$2^{10}\times {\mathrm{127}}^1\times {\mathrm{157}}^1$

素因数の和:304

約数の個数: 44

約数和(自身を含む): 41398528

約数和(自身を除く): 20980992

約数列:

[1, 2, 4, 8, 16, 32, 64, 127, 128, 157, 254, 256, 314, 508, 512, 628, 1016, 1024, 1256, 2032, 2512, 4064, 5024, 8128, 10048, 16256, 19939, 20096, 32512, 39878, 40192, 65024, 79756, 80384, 130048, 159512, 160768, 319024, 638048, 1276096, 2552192, 5104384, 10208768, 20417536]

約数ペア:

[(1, 20417536), (2, 10208768), (4, 5104384), (8, 2552192), (16, 1276096), (32, 638048), (64, 319024), (127, 160768), (128, 159512), (157, 130048), (254, 80384), (256, 79756), (314, 65024), (508, 40192), (512, 39878), (628, 32512), (1016, 20096), (1024, 19939), (1256, 16256), (2032, 10048), (2512, 8128), (4064, 5024)]