20573415

素因数分解:

$3^2\times 5^1\times {\mathrm{281}}^1\times {\mathrm{1627}}^1$

素因数の和:1919

約数の個数: 24

約数和(自身を含む): 35809488

約数和(自身を除く): 15236073

約数列:

[1, 3, 5, 9, 15, 45, 281, 843, 1405, 1627, 2529, 4215, 4881, 8135, 12645, 14643, 24405, 73215, 457187, 1371561, 2285935, 4114683, 6857805, 20573415]

約数ペア:

[(1, 20573415), (3, 6857805), (5, 4114683), (9, 2285935), (15, 1371561), (45, 457187), (281, 73215), (843, 24405), (1405, 14643), (1627, 12645), (2529, 8135), (4215, 4881)]