20109097475

素因数分解:

$5^2\times {\mathrm{71}}^1\times {\mathrm{101}}^1\times {\mathrm{223}}^1\times {\mathrm{503}}^1$

素因数の和:908

約数の個数: 48

約数和(自身を含む): 25702354944

約数和(自身を除く): 5593257469

約数列:

[1, 5, 25, 71, 101, 223, 355, 503, 505, 1115, 1775, 2515, 2525, 5575, 7171, 12575, 15833, 22523, 35713, 35855, 50803, 79165, 112169, 112615, 178565, 179275, 254015, 395825, 560845, 563075, 892825, 1270075, 1599133, 2804225, 3607013, 7963999, 7995665, 11329069, 18035065, 39819995, 39978325, 56645345, 90175325, 199099975, 283226725, 804363899, 4021819495, 20109097475]

約数ペア:

[(1, 20109097475), (5, 4021819495), (25, 804363899), (71, 283226725), (101, 199099975), (223, 90175325), (355, 56645345), (503, 39978325), (505, 39819995), (1115, 18035065), (1775, 11329069), (2515, 7995665), (2525, 7963999), (5575, 3607013), (7171, 2804225), (12575, 1599133), (15833, 1270075), (22523, 892825), (35713, 563075), (35855, 560845), (50803, 395825), (79165, 254015), (112169, 179275), (112615, 178565)]