20996957

素因数分解:

${\mathrm{19}}^1\times {\mathrm{29}}^1\times {\mathrm{53}}^1\times {\mathrm{719}}^1$

素因数の和:820

約数の個数: 16

約数和(自身を含む): 23328000

約数和(自身を除く): 2331043

約数列:

[1, 19, 29, 53, 551, 719, 1007, 1537, 13661, 20851, 29203, 38107, 396169, 724033, 1105103, 20996957]

約数ペア:

[(1, 20996957), (19, 1105103), (29, 724033), (53, 396169), (551, 38107), (719, 29203), (1007, 20851), (1537, 13661)]