22020980

素因数分解:

$2^2\times 5^1\times {\mathrm{809}}^1\times {\mathrm{1361}}^1$

素因数の和:2179

約数の個数: 24

約数和(自身を含む): 46335240

約数和(自身を除く): 24314260

約数列:

[1, 2, 4, 5, 10, 20, 809, 1361, 1618, 2722, 3236, 4045, 5444, 6805, 8090, 13610, 16180, 27220, 1101049, 2202098, 4404196, 5505245, 11010490, 22020980]

約数ペア:

[(1, 22020980), (2, 11010490), (4, 5505245), (5, 4404196), (10, 2202098), (20, 1101049), (809, 27220), (1361, 16180), (1618, 13610), (2722, 8090), (3236, 6805), (4045, 5444)]