20793409

素因数分解:

$7^1\times {\mathrm{13}}^1\times {\mathrm{83}}^1\times {\mathrm{2753}}^1$

素因数の和:2856

約数の個数: 16

約数和(自身を含む): 25909632

約数和(自身を除く): 5116223

約数列:

[1, 7, 13, 83, 91, 581, 1079, 2753, 7553, 19271, 35789, 228499, 250523, 1599493, 2970487, 20793409]

約数ペア:

[(1, 20793409), (7, 2970487), (13, 1599493), (83, 250523), (91, 228499), (581, 35789), (1079, 19271), (2753, 7553)]