20559351

素因数分解:

$3^1\times {\mathrm{47}}^1\times {\mathrm{139}}^1\times {\mathrm{1049}}^1$

素因数の和:1238

約数の個数: 16

約数和(自身を含む): 28224000

約数和(自身を除く): 7664649

約数列:

[1, 3, 47, 139, 141, 417, 1049, 3147, 6533, 19599, 49303, 145811, 147909, 437433, 6853117, 20559351]

約数ペア:

[(1, 20559351), (3, 6853117), (47, 437433), (139, 147909), (141, 145811), (417, 49303), (1049, 19599), (3147, 6533)]