20988398

素因数分解:

$2^1\times {\mathrm{37}}^1\times {\mathrm{181}}^1\times {\mathrm{1567}}^1$

素因数の和:1787

約数の個数: 16

約数和(自身を含む): 32532864

約数和(自身を除く): 11544466

約数列:

[1, 2, 37, 74, 181, 362, 1567, 3134, 6697, 13394, 57979, 115958, 283627, 567254, 10494199, 20988398]

約数ペア:

[(1, 20988398), (2, 10494199), (37, 567254), (74, 283627), (181, 115958), (362, 57979), (1567, 13394), (3134, 6697)]