20660559

素因数分解:

$3^1\times {\mathrm{17}}^1\times {\mathrm{137}}^1\times {\mathrm{2957}}^1$

素因数の和:3114

約数の個数: 16

約数和(自身を含む): 29390688

約数和(自身を除く): 8730129

約数列:

[1, 3, 17, 51, 137, 411, 2329, 2957, 6987, 8871, 50269, 150807, 405109, 1215327, 6886853, 20660559]

約数ペア:

[(1, 20660559), (3, 6886853), (17, 1215327), (51, 405109), (137, 150807), (411, 50269), (2329, 8871), (2957, 6987)]