20199012425

素因数分解:

$5^2\times {\mathrm{43}}^1\times {\mathrm{199}}^1\times {\mathrm{94421}}^1$

素因数の和:94673

約数の個数: 24

約数和(自身を含む): 25758321600

約数和(自身を除く): 5559309175

約数列:

[1, 5, 25, 43, 199, 215, 995, 1075, 4975, 8557, 42785, 94421, 213925, 472105, 2360525, 4060103, 18789779, 20300515, 93948895, 101502575, 469744475, 807960497, 4039802485, 20199012425]

約数ペア:

[(1, 20199012425), (5, 4039802485), (25, 807960497), (43, 469744475), (199, 101502575), (215, 93948895), (995, 20300515), (1075, 18789779), (4975, 4060103), (8557, 2360525), (42785, 472105), (94421, 213925)]