20149259780

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{77497153}}^1$

素因数の和:77497175

約数の個数: 24

約数和(自身を含む): 45568326552

約数和(自身を除く): 25419066772

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 130, 260, 77497153, 154994306, 309988612, 387485765, 774971530, 1007462989, 1549943060, 2014925978, 4029851956, 5037314945, 10074629890, 20149259780]

約数ペア:

[(1, 20149259780), (2, 10074629890), (4, 5037314945), (5, 4029851956), (10, 2014925978), (13, 1549943060), (20, 1007462989), (26, 774971530), (52, 387485765), (65, 309988612), (130, 154994306), (260, 77497153)]