20780626

素因数分解:

$2^1\times {\mathrm{59}}^1\times {\mathrm{61}}^1\times {\mathrm{2887}}^1$

素因数の和:3009

約数の個数: 16

約数和(自身を含む): 32230080

約数和(自身を除く): 11449454

約数列:

[1, 2, 59, 61, 118, 122, 2887, 3599, 5774, 7198, 170333, 176107, 340666, 352214, 10390313, 20780626]

約数ペア:

[(1, 20780626), (2, 10390313), (59, 352214), (61, 340666), (118, 176107), (122, 170333), (2887, 7198), (3599, 5774)]