20455799

素因数分解:

$7^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{11831}}^1$

素因数の和:11870

約数の個数: 16

約数和(自身を含む): 26503680

約数和(自身を除く): 6047881

約数列:

[1, 7, 13, 19, 91, 133, 247, 1729, 11831, 82817, 153803, 224789, 1076621, 1573523, 2922257, 20455799]

約数ペア:

[(1, 20455799), (7, 2922257), (13, 1573523), (19, 1076621), (91, 224789), (133, 153803), (247, 82817), (1729, 11831)]