20677898

素因数分解:

$2^1\times {\mathrm{71}}^1\times {\mathrm{223}}^1\times {\mathrm{653}}^1$

素因数の和:949

約数の個数: 16

約数和(自身を含む): 31643136

約数和(自身を除く): 10965238

約数列:

[1, 2, 71, 142, 223, 446, 653, 1306, 15833, 31666, 46363, 92726, 145619, 291238, 10338949, 20677898]

約数ペア:

[(1, 20677898), (2, 10338949), (71, 291238), (142, 145619), (223, 92726), (446, 46363), (653, 31666), (1306, 15833)]