20580096

素因数分解:

$2^8\times 3^1\times {\mathrm{127}}^1\times {\mathrm{211}}^1$

素因数の和:357

約数の個数: 72

約数和(自身を含む): 55465984

約数和(自身を除く): 34885888

約数列:

[1, 2, 3, 4, 6, 8, 12, 16, 24, 32, 48, 64, 96, 127, 128, 192, 211, 254, 256, 381, 384, 422, 508, 633, 762, 768, 844, 1016, 1266, 1524, 1688, 2032, 2532, 3048, 3376, 4064, 5064, 6096, 6752, 8128, 10128, 12192, 13504, 16256, 20256, 24384, 26797, 27008, 32512, 40512, 48768, 53594, 54016, 80391, 81024, 97536, 107188, 160782, 162048, 214376, 321564, 428752, 643128, 857504, 1286256, 1715008, 2572512, 3430016, 5145024, 6860032, 10290048, 20580096]

約数ペア:

[(1, 20580096), (2, 10290048), (3, 6860032), (4, 5145024), (6, 3430016), (8, 2572512), (12, 1715008), (16, 1286256), (24, 857504), (32, 643128), (48, 428752), (64, 321564), (96, 214376), (127, 162048), (128, 160782), (192, 107188), (211, 97536), (254, 81024), (256, 80391), (381, 54016), (384, 53594), (422, 48768), (508, 40512), (633, 32512), (762, 27008), (768, 26797), (844, 24384), (1016, 20256), (1266, 16256), (1524, 13504), (1688, 12192), (2032, 10128), (2532, 8128), (3048, 6752), (3376, 6096), (4064, 5064)]