20854584315

素因数分解:

$3^2\times 5^1\times {\mathrm{541}}^1\times {\mathrm{856627}}^1$

素因数の和:857179

約数の個数: 24

約数和(自身を含む): 36214805328

約数和(自身を除く): 15360221013

約数列:

[1, 3, 5, 9, 15, 45, 541, 1623, 2705, 4869, 8115, 24345, 856627, 2569881, 4283135, 7709643, 12849405, 38548215, 463435207, 1390305621, 2317176035, 4170916863, 6951528105, 20854584315]

約数ペア:

[(1, 20854584315), (3, 6951528105), (5, 4170916863), (9, 2317176035), (15, 1390305621), (45, 463435207), (541, 38548215), (1623, 12849405), (2705, 7709643), (4869, 4283135), (8115, 2569881), (24345, 856627)]