20573605

素因数分解:

$5^1\times {\mathrm{13}}^1\times {\mathrm{307}}^1\times {\mathrm{1031}}^1$

素因数の和:1356

約数の個数: 16

約数和(自身を含む): 26699904

約数和(自身を除く): 6126299

約数列:

[1, 5, 13, 65, 307, 1031, 1535, 3991, 5155, 13403, 19955, 67015, 316517, 1582585, 4114721, 20573605]

約数ペア:

[(1, 20573605), (5, 4114721), (13, 1582585), (65, 316517), (307, 67015), (1031, 19955), (1535, 13403), (3991, 5155)]