20435260

素因数分解:

$2^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{53777}}^1$

素因数の和:53805

約数の個数: 24

約数和(自身を含む): 45173520

約数和(自身を除く): 24738260

約数列:

[1, 2, 4, 5, 10, 19, 20, 38, 76, 95, 190, 380, 53777, 107554, 215108, 268885, 537770, 1021763, 1075540, 2043526, 4087052, 5108815, 10217630, 20435260]

約数ペア:

[(1, 20435260), (2, 10217630), (4, 5108815), (5, 4087052), (10, 2043526), (19, 1075540), (20, 1021763), (38, 537770), (76, 268885), (95, 215108), (190, 107554), (380, 53777)]