20941245

素因数分解:

$3^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{35797}}^1$

素因数の和:35821

約数の個数: 24

約数和(自身を含む): 39091416

約数和(自身を除く): 18150171

約数列:

[1, 3, 5, 9, 13, 15, 39, 45, 65, 117, 195, 585, 35797, 107391, 178985, 322173, 465361, 536955, 1396083, 1610865, 2326805, 4188249, 6980415, 20941245]

約数ペア:

[(1, 20941245), (3, 6980415), (5, 4188249), (9, 2326805), (13, 1610865), (15, 1396083), (39, 536955), (45, 465361), (65, 322173), (117, 178985), (195, 107391), (585, 35797)]