20156435

素因数分解:

$5^1\times {\mathrm{13}}^1\times {\mathrm{19}}^2\times {\mathrm{859}}^1$

素因数の和:915

約数の個数: 24

約数和(自身を含む): 27523440

約数和(自身を除く): 7367005

約数列:

[1, 5, 13, 19, 65, 95, 247, 361, 859, 1235, 1805, 4295, 4693, 11167, 16321, 23465, 55835, 81605, 212173, 310099, 1060865, 1550495, 4031287, 20156435]

約数ペア:

[(1, 20156435), (5, 4031287), (13, 1550495), (19, 1060865), (65, 310099), (95, 212173), (247, 81605), (361, 55835), (859, 23465), (1235, 16321), (1805, 11167), (4295, 4693)]