20782103345

素因数分解:

$5^1\times {\mathrm{137}}^1\times {\mathrm{157}}^1\times {\mathrm{173}}^1\times {\mathrm{1117}}^1$

素因数の和:1589

約数の個数: 32

約数和(自身を含む): 25449454368

約数和(自身を除く): 4667351023

約数列:

[1, 5, 137, 157, 173, 685, 785, 865, 1117, 5585, 21509, 23701, 27161, 107545, 118505, 135805, 153029, 175369, 193241, 765145, 876845, 966205, 3721057, 18605285, 24025553, 26474017, 30338837, 120127765, 132370085, 151694185, 4156420669, 20782103345]

約数ペア:

[(1, 20782103345), (5, 4156420669), (137, 151694185), (157, 132370085), (173, 120127765), (685, 30338837), (785, 26474017), (865, 24025553), (1117, 18605285), (5585, 3721057), (21509, 966205), (23701, 876845), (27161, 765145), (107545, 193241), (118505, 175369), (135805, 153029)]