20811137

素因数分解:

${\mathrm{19}}^1\times {\mathrm{31}}^1\times {\mathrm{89}}^1\times {\mathrm{397}}^1$

素因数の和:536

約数の個数: 16

約数和(自身を含む): 22924800

約数和(自身を除く): 2113663

約数列:

[1, 19, 31, 89, 397, 589, 1691, 2759, 7543, 12307, 35333, 52421, 233833, 671327, 1095323, 20811137]

約数ペア:

[(1, 20811137), (19, 1095323), (31, 671327), (89, 233833), (397, 52421), (589, 35333), (1691, 12307), (2759, 7543)]