20603975

素因数分解:

$5^2\times 7^1\times {\mathrm{23}}^1\times {\mathrm{5119}}^1$

素因数の和:5159

約数の個数: 24

約数和(自身を含む): 30474240

約数和(自身を除く): 9870265

約数列:

[1, 5, 7, 23, 25, 35, 115, 161, 175, 575, 805, 4025, 5119, 25595, 35833, 117737, 127975, 179165, 588685, 824159, 895825, 2943425, 4120795, 20603975]

約数ペア:

[(1, 20603975), (5, 4120795), (7, 2943425), (23, 895825), (25, 824159), (35, 588685), (115, 179165), (161, 127975), (175, 117737), (575, 35833), (805, 25595), (4025, 5119)]