20931521

素因数分解:

${\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{83}}^1\times {\mathrm{1021}}^1$

素因数の和:1136

約数の個数: 16

約数和(自身を含む): 24037440

約数和(自身を除く): 3105919

約数列:

[1, 13, 19, 83, 247, 1021, 1079, 1577, 13273, 19399, 20501, 84743, 252187, 1101659, 1610117, 20931521]

約数ペア:

[(1, 20931521), (13, 1610117), (19, 1101659), (83, 252187), (247, 84743), (1021, 20501), (1079, 19399), (1577, 13273)]