20713590945

素因数分解:

$3^7\times 5^1\times {\mathrm{1894247}}^1$

素因数の和:1894273

約数の個数: 32

約数和(自身を含む): 37278800640

約数和(自身を除く): 16565209695

約数列:

[1, 3, 5, 9, 15, 27, 45, 81, 135, 243, 405, 729, 1215, 2187, 3645, 10935, 1894247, 5682741, 9471235, 17048223, 28413705, 51144669, 85241115, 153434007, 255723345, 460302021, 767170035, 1380906063, 2301510105, 4142718189, 6904530315, 20713590945]

約数ペア:

[(1, 20713590945), (3, 6904530315), (5, 4142718189), (9, 2301510105), (15, 1380906063), (27, 767170035), (45, 460302021), (81, 255723345), (135, 153434007), (243, 85241115), (405, 51144669), (729, 28413705), (1215, 17048223), (2187, 9471235), (3645, 5682741), (10935, 1894247)]