20289156

素因数分解:

$2^2\times 3^1\times {\mathrm{59}}^1\times {\mathrm{28657}}^1$

素因数の和:28723

約数の個数: 24

約数和(自身を含む): 48145440

約数和(自身を除く): 27856284

約数列:

[1, 2, 3, 4, 6, 12, 59, 118, 177, 236, 354, 708, 28657, 57314, 85971, 114628, 171942, 343884, 1690763, 3381526, 5072289, 6763052, 10144578, 20289156]

約数ペア:

[(1, 20289156), (2, 10144578), (3, 6763052), (4, 5072289), (6, 3381526), (12, 1690763), (59, 343884), (118, 171942), (177, 114628), (236, 85971), (354, 57314), (708, 28657)]