20789782

素因数分解:

$2^1\times {\mathrm{13}}^1\times {\mathrm{37}}^1\times {\mathrm{21611}}^1$

素因数の和:21663

約数の個数: 16

約数和(自身を含む): 34492752

約数和(自身を除く): 13702970

約数列:

[1, 2, 13, 26, 37, 74, 481, 962, 21611, 43222, 280943, 561886, 799607, 1599214, 10394891, 20789782]

約数ペア:

[(1, 20789782), (2, 10394891), (13, 1599214), (26, 799607), (37, 561886), (74, 280943), (481, 43222), (962, 21611)]