20205008

素因数分解:

$2^4\times {\mathrm{151}}^1\times {\mathrm{8363}}^1$

素因数の和:8522

約数の個数: 20

約数和(自身を含む): 39411168

約数和(自身を除く): 19206160

約数列:

[1, 2, 4, 8, 16, 151, 302, 604, 1208, 2416, 8363, 16726, 33452, 66904, 133808, 1262813, 2525626, 5051252, 10102504, 20205008]

約数ペア:

[(1, 20205008), (2, 10102504), (4, 5051252), (8, 2525626), (16, 1262813), (151, 133808), (302, 66904), (604, 33452), (1208, 16726), (2416, 8363)]