20941190

素因数分解:

$2^1\times 5^1\times {\mathrm{29}}^1\times {\mathrm{72211}}^1$

素因数の和:72247

約数の個数: 16

約数和(自身を含む): 38994480

約数和(自身を除く): 18053290

約数列:

[1, 2, 5, 10, 29, 58, 145, 290, 72211, 144422, 361055, 722110, 2094119, 4188238, 10470595, 20941190]

約数ペア:

[(1, 20941190), (2, 10470595), (5, 4188238), (10, 2094119), (29, 722110), (58, 361055), (145, 144422), (290, 72211)]