20644987

素因数分解:

${\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{113}}^1\times {\mathrm{977}}^1$

素因数の和:1118

約数の個数: 16

約数和(自身を含む): 24082272

約数和(自身を除く): 3437285

約数列:

[1, 11, 17, 113, 187, 977, 1243, 1921, 10747, 16609, 21131, 110401, 182699, 1214411, 1876817, 20644987]

約数ペア:

[(1, 20644987), (11, 1876817), (17, 1214411), (113, 182699), (187, 110401), (977, 21131), (1243, 16609), (1921, 10747)]