20438061

素因数分解:

$3^1\times 7^1\times {\mathrm{233}}^1\times {\mathrm{4177}}^1$

素因数の和:4420

約数の個数: 16

約数和(自身を含む): 31284864

約数和(自身を除く): 10846803

約数列:

[1, 3, 7, 21, 233, 699, 1631, 4177, 4893, 12531, 29239, 87717, 973241, 2919723, 6812687, 20438061]

約数ペア:

[(1, 20438061), (3, 6812687), (7, 2919723), (21, 973241), (233, 87717), (699, 29239), (1631, 12531), (4177, 4893)]