20685509

素因数分解:

${\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{83}}^1\times {\mathrm{1009}}^1$

素因数の和:1124

約数の個数: 16

約数和(自身を含む): 23755200

約数和(自身を除く): 3069691

約数列:

[1, 13, 19, 83, 247, 1009, 1079, 1577, 13117, 19171, 20501, 83747, 249223, 1088711, 1591193, 20685509]

約数ペア:

[(1, 20685509), (13, 1591193), (19, 1088711), (83, 249223), (247, 83747), (1009, 20501), (1079, 19171), (1577, 13117)]