20364789

素因数分解:

$3^1\times {\mathrm{19}}^1\times {\mathrm{61}}^1\times {\mathrm{5857}}^1$

素因数の和:5940

約数の個数: 16

約数和(自身を含む): 29055680

約数和(自身を除く): 8690891

約数列:

[1, 3, 19, 57, 61, 183, 1159, 3477, 5857, 17571, 111283, 333849, 357277, 1071831, 6788263, 20364789]

約数ペア:

[(1, 20364789), (3, 6788263), (19, 1071831), (57, 357277), (61, 333849), (183, 111283), (1159, 17571), (3477, 5857)]