20127185

素因数分解:

$5^1\times {\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{13463}}^1$

素因数の和:13504

約数の個数: 16

約数和(自身を含む): 27143424

約数和(自身を除く): 7016239

約数列:

[1, 5, 13, 23, 65, 115, 299, 1495, 13463, 67315, 175019, 309649, 875095, 1548245, 4025437, 20127185]

約数ペア:

[(1, 20127185), (5, 4025437), (13, 1548245), (23, 875095), (65, 309649), (115, 175019), (299, 67315), (1495, 13463)]