20578246

素因数分解:

$2^1\times {\mathrm{13}}^1\times {\mathrm{67}}^1\times {\mathrm{11813}}^1$

素因数の和:11895

約数の個数: 16

約数和(自身を含む): 33740784

約数和(自身を除く): 13162538

約数列:

[1, 2, 13, 26, 67, 134, 871, 1742, 11813, 23626, 153569, 307138, 791471, 1582942, 10289123, 20578246]

約数ペア:

[(1, 20578246), (2, 10289123), (13, 1582942), (26, 791471), (67, 307138), (134, 153569), (871, 23626), (1742, 11813)]