20344725

素因数分解:

$3^2\times 5^2\times {\mathrm{19}}^1\times {\mathrm{4759}}^1$

素因数の和:4794

約数の個数: 36

約数和(自身を含む): 38365600

約数和(自身を除く): 18020875

約数列:

[1, 3, 5, 9, 15, 19, 25, 45, 57, 75, 95, 171, 225, 285, 475, 855, 1425, 4275, 4759, 14277, 23795, 42831, 71385, 90421, 118975, 214155, 271263, 356925, 452105, 813789, 1070775, 1356315, 2260525, 4068945, 6781575, 20344725]

約数ペア:

[(1, 20344725), (3, 6781575), (5, 4068945), (9, 2260525), (15, 1356315), (19, 1070775), (25, 813789), (45, 452105), (57, 356925), (75, 271263), (95, 214155), (171, 118975), (225, 90421), (285, 71385), (475, 42831), (855, 23795), (1425, 14277), (4275, 4759)]