20004321

素因数分解:

$3^1\times {\mathrm{19}}^1\times {\mathrm{71}}^1\times {\mathrm{4943}}^1$

素因数の和:5036

約数の個数: 16

約数和(自身を含む): 28477440

約数和(自身を除く): 8473119

約数列:

[1, 3, 19, 57, 71, 213, 1349, 4047, 4943, 14829, 93917, 281751, 350953, 1052859, 6668107, 20004321]

約数ペア:

[(1, 20004321), (3, 6668107), (19, 1052859), (57, 350953), (71, 281751), (213, 93917), (1349, 14829), (4047, 4943)]