201020495

素因数分解:

$5^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{181919}}^1$

素因数の和:181954

約数の個数: 16

約数和(自身を含む): 275063040

約数和(自身を除く): 74042545

約数列:

[1, 5, 13, 17, 65, 85, 221, 1105, 181919, 909595, 2364947, 3092623, 11824735, 15463115, 40204099, 201020495]

約数ペア:

[(1, 201020495), (5, 40204099), (13, 15463115), (17, 11824735), (65, 3092623), (85, 2364947), (221, 909595), (1105, 181919)]