20998203

素因数分解:

$3^1\times {\mathrm{37}}^1\times {\mathrm{101}}^1\times {\mathrm{1873}}^1$

素因数の和:2014

約数の個数: 16

約数和(自身を含む): 29054496

約数和(自身を除く): 8056293

約数列:

[1, 3, 37, 101, 111, 303, 1873, 3737, 5619, 11211, 69301, 189173, 207903, 567519, 6999401, 20998203]

約数ペア:

[(1, 20998203), (3, 6999401), (37, 567519), (101, 207903), (111, 189173), (303, 69301), (1873, 11211), (3737, 5619)]