20353997

素因数分解:

${\mathrm{19}}^1\times {\mathrm{59}}^1\times {\mathrm{67}}^1\times {\mathrm{271}}^1$

素因数の和:416

約数の個数: 16

約数和(自身を含む): 22195200

約数和(自身を除く): 1841203

約数列:

[1, 19, 59, 67, 271, 1121, 1273, 3953, 5149, 15989, 18157, 75107, 303791, 344983, 1071263, 20353997]

約数ペア:

[(1, 20353997), (19, 1071263), (59, 344983), (67, 303791), (271, 75107), (1121, 18157), (1273, 15989), (3953, 5149)]