20290439

素因数分解:

${\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{79}}^1\times {\mathrm{859}}^1$

素因数の和:974

約数の個数: 16

約数和(自身を含む): 23116800

約数和(自身を除く): 2826361

約数列:

[1, 13, 23, 79, 299, 859, 1027, 1817, 11167, 19757, 23621, 67861, 256841, 882193, 1560803, 20290439]

約数ペア:

[(1, 20290439), (13, 1560803), (23, 882193), (79, 256841), (299, 67861), (859, 23621), (1027, 19757), (1817, 11167)]