20920147705

素因数分解:

$5^1\times {\mathrm{41}}^1\times {\mathrm{439}}^1\times {\mathrm{232459}}^1$

素因数の和:232944

約数の個数: 16

約数和(自身を含む): 25775164800

約数和(自身を除く): 4855017095

約数列:

[1, 5, 41, 205, 439, 2195, 17999, 89995, 232459, 1162295, 9530819, 47654095, 102049501, 510247505, 4184029541, 20920147705]

約数ペア:

[(1, 20920147705), (5, 4184029541), (41, 510247505), (205, 102049501), (439, 47654095), (2195, 9530819), (17999, 1162295), (89995, 232459)]