20439497

素因数分解:

${\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{83}}^1\times {\mathrm{997}}^1$

素因数の和:1112

約数の個数: 16

約数和(自身を含む): 23472960

約数和(自身を除く): 3033463

約数列:

[1, 13, 19, 83, 247, 997, 1079, 1577, 12961, 18943, 20501, 82751, 246259, 1075763, 1572269, 20439497]

約数ペア:

[(1, 20439497), (13, 1572269), (19, 1075763), (83, 246259), (247, 82751), (997, 20501), (1079, 18943), (1577, 12961)]