20090739981

素因数分解:

$3^1\times {\mathrm{13}}^1\times {\mathrm{127}}^1\times {\mathrm{229}}^1\times {\mathrm{17713}}^1$

素因数の和:18085

約数の個数: 32

約数和(自身を含む): 29204008960

約数和(自身を除く): 9113268979

約数列:

[1, 3, 13, 39, 127, 229, 381, 687, 1651, 2977, 4953, 8931, 17713, 29083, 53139, 87249, 230269, 378079, 690807, 1134237, 2249551, 4056277, 6748653, 12168831, 29244163, 52731601, 87732489, 158194803, 515147179, 1545441537, 6696913327, 20090739981]

約数ペア:

[(1, 20090739981), (3, 6696913327), (13, 1545441537), (39, 515147179), (127, 158194803), (229, 87732489), (381, 52731601), (687, 29244163), (1651, 12168831), (2977, 6748653), (4953, 4056277), (8931, 2249551), (17713, 1134237), (29083, 690807), (53139, 378079), (87249, 230269)]