20543055

素因数分解:

$3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{6197}}^1$

素因数の和:6235

約数の個数: 32

約数和(自身を含む): 37485504

約数和(自身を除く): 16942449

約数列:

[1, 3, 5, 13, 15, 17, 39, 51, 65, 85, 195, 221, 255, 663, 1105, 3315, 6197, 18591, 30985, 80561, 92955, 105349, 241683, 316047, 402805, 526745, 1208415, 1369537, 1580235, 4108611, 6847685, 20543055]

約数ペア:

[(1, 20543055), (3, 6847685), (5, 4108611), (13, 1580235), (15, 1369537), (17, 1208415), (39, 526745), (51, 402805), (65, 316047), (85, 241683), (195, 105349), (221, 92955), (255, 80561), (663, 30985), (1105, 18591), (3315, 6197)]