20877989

素因数分解:

${\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{97}}^1\times {\mathrm{1151}}^1$

素因数の和:1276

約数の個数: 16

約数和(自身を含む): 24385536

約数和(自身を除く): 3507547

約数列:

[1, 11, 17, 97, 187, 1067, 1151, 1649, 12661, 18139, 19567, 111647, 215237, 1228117, 1897999, 20877989]

約数ペア:

[(1, 20877989), (11, 1897999), (17, 1228117), (97, 215237), (187, 111647), (1067, 19567), (1151, 18139), (1649, 12661)]