20163770109

素因数分解:

$3^2\times 7^1\times {\mathrm{281}}^1\times {\mathrm{1139003}}^1$

素因数の和:1139297

約数の個数: 24

約数和(自身を含む): 33404709312

約数和(自身を除く): 13240939203

約数列:

[1, 3, 7, 9, 21, 63, 281, 843, 1967, 2529, 5901, 17703, 1139003, 3417009, 7973021, 10251027, 23919063, 71757189, 320059843, 960179529, 2240418901, 2880538587, 6721256703, 20163770109]

約数ペア:

[(1, 20163770109), (3, 6721256703), (7, 2880538587), (9, 2240418901), (21, 960179529), (63, 320059843), (281, 71757189), (843, 23919063), (1967, 10251027), (2529, 7973021), (5901, 3417009), (17703, 1139003)]